Home / 113,194.16-169,781.42-38,312.64

Finding the Fourth Proportional to 113,194.16, 169,781.42 and 38,312.64

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Solution

The fourth proportional to 113,194.16, 169,781.42 and 38,312.64 is: 57,465.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,194.16 : 169,781.42 = 38,312.64 : x
  2. Step 2: Convert to fraction form
    113,194.16/169,781.42 = 38,312.64/x
  3. Step 3: Cross multiply
    113,194.16x = 169,781.42 × 38,312.64
  4. Step 4: Simplify right side
    113,194.16x = 6,504,774,423.15
  5. Step 5: Solve for x
    x = 6,504,774,423.15/113,194.16
  6. Step 6: Final answer
    x = 57,465.64

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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.