Home / 263,432.60-363,439.14-167,917.40

Finding the Fourth Proportional to 263,432.60, 363,439.14 and 167,917.40

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Solution

The fourth proportional to 263,432.60, 363,439.14 and 167,917.40 is: 231,663.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,432.60 : 363,439.14 = 167,917.40 : x
  2. Step 2: Convert to fraction form
    263,432.60/363,439.14 = 167,917.40/x
  3. Step 3: Cross multiply
    263,432.60x = 363,439.14 × 167,917.40
  4. Step 4: Simplify right side
    263,432.60x = 61,027,755,447.04
  5. Step 5: Solve for x
    x = 61,027,755,447.04/263,432.60
  6. Step 6: Final answer
    x = 231,663.64

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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.