Home / 141,645.96-195,472.17-77,983.79

Finding the Fourth Proportional to 141,645.96, 195,472.17 and 77,983.79

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Solution

The fourth proportional to 141,645.96, 195,472.17 and 77,983.79 is: 107,618.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,645.96 : 195,472.17 = 77,983.79 : x
  2. Step 2: Convert to fraction form
    141,645.96/195,472.17 = 77,983.79/x
  3. Step 3: Cross multiply
    141,645.96x = 195,472.17 × 77,983.79
  4. Step 4: Simplify right side
    141,645.96x = 15,243,659,678.76
  5. Step 5: Solve for x
    x = 15,243,659,678.76/141,645.96
  6. Step 6: Final answer
    x = 107,618.03

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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.