Home / 137,795.88-206,772.65-53,545.05

Finding the Fourth Proportional to 137,795.88, 206,772.65 and 53,545.05

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Solution

The fourth proportional to 137,795.88, 206,772.65 and 53,545.05 is: 80,348.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,795.88 : 206,772.65 = 53,545.05 : x
  2. Step 2: Convert to fraction form
    137,795.88/206,772.65 = 53,545.05/x
  3. Step 3: Cross multiply
    137,795.88x = 206,772.65 × 53,545.05
  4. Step 4: Simplify right side
    137,795.88x = 11,071,651,815.95
  5. Step 5: Solve for x
    x = 11,071,651,815.95/137,795.88
  6. Step 6: Final answer
    x = 80,348.20

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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.