Home / 187,543.72-281,363.91-67,595.88

Finding the Fourth Proportional to 187,543.72, 281,363.91 and 67,595.88

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Solution

The fourth proportional to 187,543.72, 281,363.91 and 67,595.88 is: 101,411.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,543.72 : 281,363.91 = 67,595.88 : x
  2. Step 2: Convert to fraction form
    187,543.72/281,363.91 = 67,595.88/x
  3. Step 3: Cross multiply
    187,543.72x = 281,363.91 × 67,595.88
  4. Step 4: Simplify right side
    187,543.72x = 19,019,041,096.69
  5. Step 5: Solve for x
    x = 19,019,041,096.69/187,543.72
  6. Step 6: Final answer
    x = 101,411.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.