Home / 104,704.17-144,545.27-80,777.13

Finding the Fourth Proportional to 104,704.17, 144,545.27 and 80,777.13

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Solution

The fourth proportional to 104,704.17, 144,545.27 and 80,777.13 is: 111,513.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,704.17 : 144,545.27 = 80,777.13 : x
  2. Step 2: Convert to fraction form
    104,704.17/144,545.27 = 80,777.13/x
  3. Step 3: Cross multiply
    104,704.17x = 144,545.27 × 80,777.13
  4. Step 4: Simplify right side
    104,704.17x = 11,675,951,661.79
  5. Step 5: Solve for x
    x = 11,675,951,661.79/104,704.17
  6. Step 6: Final answer
    x = 111,513.72

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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.