Home / 133,263.12-199,865.24-38,472.71

Finding the Fourth Proportional to 133,263.12, 199,865.24 and 38,472.71

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Solution

The fourth proportional to 133,263.12, 199,865.24 and 38,472.71 is: 57,700.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,263.12 : 199,865.24 = 38,472.71 : x
  2. Step 2: Convert to fraction form
    133,263.12/199,865.24 = 38,472.71/x
  3. Step 3: Cross multiply
    133,263.12x = 199,865.24 × 38,472.71
  4. Step 4: Simplify right side
    133,263.12x = 7,689,357,225.24
  5. Step 5: Solve for x
    x = 7,689,357,225.24/133,263.12
  6. Step 6: Final answer
    x = 57,700.56

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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.