Home / 141,557.08-195,121.92-107,454.64

Finding the Fourth Proportional to 141,557.08, 195,121.92 and 107,454.64

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Solution

The fourth proportional to 141,557.08, 195,121.92 and 107,454.64 is: 148,115.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,557.08 : 195,121.92 = 107,454.64 : x
  2. Step 2: Convert to fraction form
    141,557.08/195,121.92 = 107,454.64/x
  3. Step 3: Cross multiply
    141,557.08x = 195,121.92 × 107,454.64
  4. Step 4: Simplify right side
    141,557.08x = 20,966,755,669.71
  5. Step 5: Solve for x
    x = 20,966,755,669.71/141,557.08
  6. Step 6: Final answer
    x = 148,115.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.