Home / 130,577.56-179,917.50-88,061.56

Finding the Fourth Proportional to 130,577.56, 179,917.50 and 88,061.56

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Solution

The fourth proportional to 130,577.56, 179,917.50 and 88,061.56 is: 121,336.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,577.56 : 179,917.50 = 88,061.56 : x
  2. Step 2: Convert to fraction form
    130,577.56/179,917.50 = 88,061.56/x
  3. Step 3: Cross multiply
    130,577.56x = 179,917.50 × 88,061.56
  4. Step 4: Simplify right side
    130,577.56x = 15,843,815,721.30
  5. Step 5: Solve for x
    x = 15,843,815,721.30/130,577.56
  6. Step 6: Final answer
    x = 121,336.44

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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.