Home / 143,729.15-215,635.32-59,473.76

Finding the Fourth Proportional to 143,729.15, 215,635.32 and 59,473.76

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Solution

The fourth proportional to 143,729.15, 215,635.32 and 59,473.76 is: 89,227.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,729.15 : 215,635.32 = 59,473.76 : x
  2. Step 2: Convert to fraction form
    143,729.15/215,635.32 = 59,473.76/x
  3. Step 3: Cross multiply
    143,729.15x = 215,635.32 × 59,473.76
  4. Step 4: Simplify right side
    143,729.15x = 12,824,642,191.03
  5. Step 5: Solve for x
    x = 12,824,642,191.03/143,729.15
  6. Step 6: Final answer
    x = 89,227.85

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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.