Home / 136,526.13-204,881.46-47,780.43

Finding the Fourth Proportional to 136,526.13, 204,881.46 and 47,780.43

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Solution

The fourth proportional to 136,526.13, 204,881.46 and 47,780.43 is: 71,702.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,526.13 : 204,881.46 = 47,780.43 : x
  2. Step 2: Convert to fraction form
    136,526.13/204,881.46 = 47,780.43/x
  3. Step 3: Cross multiply
    136,526.13x = 204,881.46 × 47,780.43
  4. Step 4: Simplify right side
    136,526.13x = 9,789,324,257.83
  5. Step 5: Solve for x
    x = 9,789,324,257.83/136,526.13
  6. Step 6: Final answer
    x = 71,702.94

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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.