Home / 335,021.76-502,158.24-145,262.88

Finding the Fourth Proportional to 335,021.76, 502,158.24 and 145,262.88

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Solution

The fourth proportional to 335,021.76, 502,158.24 and 145,262.88 is: 217,731.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,021.76 : 502,158.24 = 145,262.88 : x
  2. Step 2: Convert to fraction form
    335,021.76/502,158.24 = 145,262.88/x
  3. Step 3: Cross multiply
    335,021.76x = 502,158.24 × 145,262.88
  4. Step 4: Simplify right side
    335,021.76x = 72,944,952,158.13
  5. Step 5: Solve for x
    x = 72,944,952,158.13/335,021.76
  6. Step 6: Final answer
    x = 217,731.98

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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.