Home / 220,402.22-330,409.46-87,375.92

Finding the Fourth Proportional to 220,402.22, 330,409.46 and 87,375.92

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Solution

The fourth proportional to 220,402.22, 330,409.46 and 87,375.92 is: 130,987.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,402.22 : 330,409.46 = 87,375.92 : x
  2. Step 2: Convert to fraction form
    220,402.22/330,409.46 = 87,375.92/x
  3. Step 3: Cross multiply
    220,402.22x = 330,409.46 × 87,375.92
  4. Step 4: Simplify right side
    220,402.22x = 28,869,830,544.20
  5. Step 5: Solve for x
    x = 28,869,830,544.20/220,402.22
  6. Step 6: Final answer
    x = 130,987.02

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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.