Home / 109,152.18-163,728.27-39,027.24

Finding the Fourth Proportional to 109,152.18, 163,728.27 and 39,027.24

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Solution

The fourth proportional to 109,152.18, 163,728.27 and 39,027.24 is: 58,540.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,152.18 : 163,728.27 = 39,027.24 : x
  2. Step 2: Convert to fraction form
    109,152.18/163,728.27 = 39,027.24/x
  3. Step 3: Cross multiply
    109,152.18x = 163,728.27 × 39,027.24
  4. Step 4: Simplify right side
    109,152.18x = 6,389,862,488.07
  5. Step 5: Solve for x
    x = 6,389,862,488.07/109,152.18
  6. Step 6: Final answer
    x = 58,540.86

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.