Home / 108,201.08-162,081.20-88,281.56

Finding the Fourth Proportional to 108,201.08, 162,081.20 and 88,281.56

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Solution

The fourth proportional to 108,201.08, 162,081.20 and 88,281.56 is: 132,242.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,201.08 : 162,081.20 = 88,281.56 : x
  2. Step 2: Convert to fraction form
    108,201.08/162,081.20 = 88,281.56/x
  3. Step 3: Cross multiply
    108,201.08x = 162,081.20 × 88,281.56
  4. Step 4: Simplify right side
    108,201.08x = 14,308,781,808.58
  5. Step 5: Solve for x
    x = 14,308,781,808.58/108,201.08
  6. Step 6: Final answer
    x = 132,242.50

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1.5x scale

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.