Home / 356,139.20-534,206.79-89,898.62

Finding the Fourth Proportional to 356,139.20, 534,206.79 and 89,898.62

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Solution

The fourth proportional to 356,139.20, 534,206.79 and 89,898.62 is: 134,847.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,139.20 : 534,206.79 = 89,898.62 : x
  2. Step 2: Convert to fraction form
    356,139.20/534,206.79 = 89,898.62/x
  3. Step 3: Cross multiply
    356,139.20x = 534,206.79 × 89,898.62
  4. Step 4: Simplify right side
    356,139.20x = 48,024,453,215.63
  5. Step 5: Solve for x
    x = 48,024,453,215.63/356,139.20
  6. Step 6: Final answer
    x = 134,847.42

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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.