Home / 142,330.98-213,332.10-53,527.80

Finding the Fourth Proportional to 142,330.98, 213,332.10 and 53,527.80

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Solution

The fourth proportional to 142,330.98, 213,332.10 and 53,527.80 is: 80,229.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,330.98 : 213,332.10 = 53,527.80 : x
  2. Step 2: Convert to fraction form
    142,330.98/213,332.10 = 53,527.80/x
  3. Step 3: Cross multiply
    142,330.98x = 213,332.10 × 53,527.80
  4. Step 4: Simplify right side
    142,330.98x = 11,419,197,982.38
  5. Step 5: Solve for x
    x = 11,419,197,982.38/142,330.98
  6. Step 6: Final answer
    x = 80,229.88

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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.