Home / 133,549.40-200,324.10-54,631.50

Finding the Fourth Proportional to 133,549.40, 200,324.10 and 54,631.50

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Solution

The fourth proportional to 133,549.40, 200,324.10 and 54,631.50 is: 81,947.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,549.40 : 200,324.10 = 54,631.50 : x
  2. Step 2: Convert to fraction form
    133,549.40/200,324.10 = 54,631.50/x
  3. Step 3: Cross multiply
    133,549.40x = 200,324.10 × 54,631.50
  4. Step 4: Simplify right side
    133,549.40x = 10,944,006,069.15
  5. Step 5: Solve for x
    x = 10,944,006,069.15/133,549.40
  6. Step 6: Final answer
    x = 81,947.25

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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.