Home / 110,531.20-165,969.60-63,875.20

Finding the Fourth Proportional to 110,531.20, 165,969.60 and 63,875.20

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Solution

The fourth proportional to 110,531.20, 165,969.60 and 63,875.20 is: 95,912.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,531.20 : 165,969.60 = 63,875.20 : x
  2. Step 2: Convert to fraction form
    110,531.20/165,969.60 = 63,875.20/x
  3. Step 3: Cross multiply
    110,531.20x = 165,969.60 × 63,875.20
  4. Step 4: Simplify right side
    110,531.20x = 10,601,341,393.92
  5. Step 5: Solve for x
    x = 10,601,341,393.92/110,531.20
  6. Step 6: Final answer
    x = 95,912.66

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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.