Home / 108,339.20-162,508.80-94,515.20

Finding the Fourth Proportional to 108,339.20, 162,508.80 and 94,515.20

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Solution

The fourth proportional to 108,339.20, 162,508.80 and 94,515.20 is: 141,772.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,339.20 : 162,508.80 = 94,515.20 : x
  2. Step 2: Convert to fraction form
    108,339.20/162,508.80 = 94,515.20/x
  3. Step 3: Cross multiply
    108,339.20x = 162,508.80 × 94,515.20
  4. Step 4: Simplify right side
    108,339.20x = 15,359,551,733.76
  5. Step 5: Solve for x
    x = 15,359,551,733.76/108,339.20
  6. Step 6: Final answer
    x = 141,772.80

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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.