Home / 103,719.10-155,233.05-95,424.70

Finding the Fourth Proportional to 103,719.10, 155,233.05 and 95,424.70

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Solution

The fourth proportional to 103,719.10, 155,233.05 and 95,424.70 is: 142,819.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,719.10 : 155,233.05 = 95,424.70 : x
  2. Step 2: Convert to fraction form
    103,719.10/155,233.05 = 95,424.70/x
  3. Step 3: Cross multiply
    103,719.10x = 155,233.05 × 95,424.70
  4. Step 4: Simplify right side
    103,719.10x = 14,813,067,226.34
  5. Step 5: Solve for x
    x = 14,813,067,226.34/103,719.10
  6. Step 6: Final answer
    x = 142,819.09

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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.