Home / 109,216.08-163,863.54-38,149.25

Finding the Fourth Proportional to 109,216.08, 163,863.54 and 38,149.25

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Solution

The fourth proportional to 109,216.08, 163,863.54 and 38,149.25 is: 57,237.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,216.08 : 163,863.54 = 38,149.25 : x
  2. Step 2: Convert to fraction form
    109,216.08/163,863.54 = 38,149.25/x
  3. Step 3: Cross multiply
    109,216.08x = 163,863.54 × 38,149.25
  4. Step 4: Simplify right side
    109,216.08x = 6,251,270,334.03
  5. Step 5: Solve for x
    x = 6,251,270,334.03/109,216.08
  6. Step 6: Final answer
    x = 57,237.64

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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.