Home / 130,336.50-179,867.11-73,747.88

Finding the Fourth Proportional to 130,336.50, 179,867.11 and 73,747.88

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Solution

The fourth proportional to 130,336.50, 179,867.11 and 73,747.88 is: 101,773.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,336.50 : 179,867.11 = 73,747.88 : x
  2. Step 2: Convert to fraction form
    130,336.50/179,867.11 = 73,747.88/x
  3. Step 3: Cross multiply
    130,336.50x = 179,867.11 × 73,747.88
  4. Step 4: Simplify right side
    130,336.50x = 13,264,818,044.23
  5. Step 5: Solve for x
    x = 13,264,818,044.23/130,336.50
  6. Step 6: Final answer
    x = 101,773.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.