Home / 133,045.20-199,592.10-54,167.40

Finding the Fourth Proportional to 133,045.20, 199,592.10 and 54,167.40

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Solution

The fourth proportional to 133,045.20, 199,592.10 and 54,167.40 is: 81,260.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,045.20 : 199,592.10 = 54,167.40 : x
  2. Step 2: Convert to fraction form
    133,045.20/199,592.10 = 54,167.40/x
  3. Step 3: Cross multiply
    133,045.20x = 199,592.10 × 54,167.40
  4. Step 4: Simplify right side
    133,045.20x = 10,811,385,117.54
  5. Step 5: Solve for x
    x = 10,811,385,117.54/133,045.20
  6. Step 6: Final answer
    x = 81,260.99

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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.