Home / 141,417.92-195,154.98-77,755.16

Finding the Fourth Proportional to 141,417.92, 195,154.98 and 77,755.16

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Solution

The fourth proportional to 141,417.92, 195,154.98 and 77,755.16 is: 107,301.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,417.92 : 195,154.98 = 77,755.16 : x
  2. Step 2: Convert to fraction form
    141,417.92/195,154.98 = 77,755.16/x
  3. Step 3: Cross multiply
    141,417.92x = 195,154.98 × 77,755.16
  4. Step 4: Simplify right side
    141,417.92x = 15,174,306,694.70
  5. Step 5: Solve for x
    x = 15,174,306,694.70/141,417.92
  6. Step 6: Final answer
    x = 107,301.16

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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.