Home / 356,206.62-534,337.68-103,491.20

Finding the Fourth Proportional to 356,206.62, 534,337.68 and 103,491.20

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Solution

The fourth proportional to 356,206.62, 534,337.68 and 103,491.20 is: 155,244.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,206.62 : 534,337.68 = 103,491.20 : x
  2. Step 2: Convert to fraction form
    356,206.62/534,337.68 = 103,491.20/x
  3. Step 3: Cross multiply
    356,206.62x = 534,337.68 × 103,491.20
  4. Step 4: Simplify right side
    356,206.62x = 55,299,247,708.42
  5. Step 5: Solve for x
    x = 55,299,247,708.42/356,206.62
  6. Step 6: Final answer
    x = 155,244.86

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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.