Home / 137,539.42-206,380.20-58,632.46

Finding the Fourth Proportional to 137,539.42, 206,380.20 and 58,632.46

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Solution

The fourth proportional to 137,539.42, 206,380.20 and 58,632.46 is: 87,978.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,539.42 : 206,380.20 = 58,632.46 : x
  2. Step 2: Convert to fraction form
    137,539.42/206,380.20 = 58,632.46/x
  3. Step 3: Cross multiply
    137,539.42x = 206,380.20 × 58,632.46
  4. Step 4: Simplify right side
    137,539.42x = 12,100,578,821.29
  5. Step 5: Solve for x
    x = 12,100,578,821.29/137,539.42
  6. Step 6: Final answer
    x = 87,978.99

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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.