Home / 131,045.92-180,849.68-73,703.20

Finding the Fourth Proportional to 131,045.92, 180,849.68 and 73,703.20

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Solution

The fourth proportional to 131,045.92, 180,849.68 and 73,703.20 is: 101,713.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,045.92 : 180,849.68 = 73,703.20 : x
  2. Step 2: Convert to fraction form
    131,045.92/180,849.68 = 73,703.20/x
  3. Step 3: Cross multiply
    131,045.92x = 180,849.68 × 73,703.20
  4. Step 4: Simplify right side
    131,045.92x = 13,329,200,134.98
  5. Step 5: Solve for x
    x = 13,329,200,134.98/131,045.92
  6. Step 6: Final answer
    x = 101,713.97

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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.