Home / 138,051.76-207,077.65-44,571.28

Finding the Fourth Proportional to 138,051.76, 207,077.65 and 44,571.28

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Solution

The fourth proportional to 138,051.76, 207,077.65 and 44,571.28 is: 66,856.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,051.76 : 207,077.65 = 44,571.28 : x
  2. Step 2: Convert to fraction form
    138,051.76/207,077.65 = 44,571.28/x
  3. Step 3: Cross multiply
    138,051.76x = 207,077.65 × 44,571.28
  4. Step 4: Simplify right side
    138,051.76x = 9,229,715,697.04
  5. Step 5: Solve for x
    x = 9,229,715,697.04/138,051.76
  6. Step 6: Final answer
    x = 66,856.92

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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.