Home / 176,899.20-243,705.60-123,091.80

Finding the Fourth Proportional to 176,899.20, 243,705.60 and 123,091.80

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Solution

The fourth proportional to 176,899.20, 243,705.60 and 123,091.80 is: 169,577.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,899.20 : 243,705.60 = 123,091.80 : x
  2. Step 2: Convert to fraction form
    176,899.20/243,705.60 = 123,091.80/x
  3. Step 3: Cross multiply
    176,899.20x = 243,705.60 × 123,091.80
  4. Step 4: Simplify right side
    176,899.20x = 29,998,160,974.08
  5. Step 5: Solve for x
    x = 29,998,160,974.08/176,899.20
  6. Step 6: Final answer
    x = 169,577.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.