Home / 141,528.43-195,306.45-77,867.29

Finding the Fourth Proportional to 141,528.43, 195,306.45 and 77,867.29

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Solution

The fourth proportional to 141,528.43, 195,306.45 and 77,867.29 is: 107,455.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,528.43 : 195,306.45 = 77,867.29 : x
  2. Step 2: Convert to fraction form
    141,528.43/195,306.45 = 77,867.29/x
  3. Step 3: Cross multiply
    141,528.43x = 195,306.45 × 77,867.29
  4. Step 4: Simplify right side
    141,528.43x = 15,207,983,981.02
  5. Step 5: Solve for x
    x = 15,207,983,981.02/141,528.43
  6. Step 6: Final answer
    x = 107,455.33

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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.