Home / 137,669.60-206,505.84-58,734.56

Finding the Fourth Proportional to 137,669.60, 206,505.84 and 58,734.56

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Solution

The fourth proportional to 137,669.60, 206,505.84 and 58,734.56 is: 88,102.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,669.60 : 206,505.84 = 58,734.56 : x
  2. Step 2: Convert to fraction form
    137,669.60/206,505.84 = 58,734.56/x
  3. Step 3: Cross multiply
    137,669.60x = 206,505.84 × 58,734.56
  4. Step 4: Simplify right side
    137,669.60x = 12,129,029,649.83
  5. Step 5: Solve for x
    x = 12,129,029,649.83/137,669.60
  6. Step 6: Final answer
    x = 88,102.45

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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.