Home / 147,355.14-220,700.39-103,179.11

Finding the Fourth Proportional to 147,355.14, 220,700.39 and 103,179.11

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Solution

The fourth proportional to 147,355.14, 220,700.39 and 103,179.11 is: 154,535.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,355.14 : 220,700.39 = 103,179.11 : x
  2. Step 2: Convert to fraction form
    147,355.14/220,700.39 = 103,179.11/x
  3. Step 3: Cross multiply
    147,355.14x = 220,700.39 × 103,179.11
  4. Step 4: Simplify right side
    147,355.14x = 22,771,669,816.85
  5. Step 5: Solve for x
    x = 22,771,669,816.85/147,355.14
  6. Step 6: Final answer
    x = 154,535.97

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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.