Home / 356,089.20-534,134.76-89,849.69

Finding the Fourth Proportional to 356,089.20, 534,134.76 and 89,849.69

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Solution

The fourth proportional to 356,089.20, 534,134.76 and 89,849.69 is: 134,774.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,089.20 : 534,134.76 = 89,849.69 : x
  2. Step 2: Convert to fraction form
    356,089.20/534,134.76 = 89,849.69/x
  3. Step 3: Cross multiply
    356,089.20x = 534,134.76 × 89,849.69
  4. Step 4: Simplify right side
    356,089.20x = 47,991,841,599.62
  5. Step 5: Solve for x
    x = 47,991,841,599.62/356,089.20
  6. Step 6: Final answer
    x = 134,774.78

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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.