Home / 131,041.20-180,693.96-88,525.92

Finding the Fourth Proportional to 131,041.20, 180,693.96 and 88,525.92

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Solution

The fourth proportional to 131,041.20, 180,693.96 and 88,525.92 is: 122,069.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,041.20 : 180,693.96 = 88,525.92 : x
  2. Step 2: Convert to fraction form
    131,041.20/180,693.96 = 88,525.92/x
  3. Step 3: Cross multiply
    131,041.20x = 180,693.96 × 88,525.92
  4. Step 4: Simplify right side
    131,041.20x = 15,996,099,047.44
  5. Step 5: Solve for x
    x = 15,996,099,047.44/131,041.20
  6. Step 6: Final answer
    x = 122,069.24

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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.