Home / 133,869.24-200,618.10-74,616.12

Finding the Fourth Proportional to 133,869.24, 200,618.10 and 74,616.12

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Solution

The fourth proportional to 133,869.24, 200,618.10 and 74,616.12 is: 111,820.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,869.24 : 200,618.10 = 74,616.12 : x
  2. Step 2: Convert to fraction form
    133,869.24/200,618.10 = 74,616.12/x
  3. Step 3: Cross multiply
    133,869.24x = 200,618.10 × 74,616.12
  4. Step 4: Simplify right side
    133,869.24x = 14,969,344,223.77
  5. Step 5: Solve for x
    x = 14,969,344,223.77/133,869.24
  6. Step 6: Final answer
    x = 111,820.64

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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.