Home / 108,400.18-162,464.72-52,229.74

Finding the Fourth Proportional to 108,400.18, 162,464.72 and 52,229.74

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Solution

The fourth proportional to 108,400.18, 162,464.72 and 52,229.74 is: 78,279.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,400.18 : 162,464.72 = 52,229.74 : x
  2. Step 2: Convert to fraction form
    108,400.18/162,464.72 = 52,229.74/x
  3. Step 3: Cross multiply
    108,400.18x = 162,464.72 × 52,229.74
  4. Step 4: Simplify right side
    108,400.18x = 8,485,490,084.77
  5. Step 5: Solve for x
    x = 8,485,490,084.77/108,400.18
  6. Step 6: Final answer
    x = 78,279.30

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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.