Home / 168,454.64-252,500.52-89,489.36

Finding the Fourth Proportional to 168,454.64, 252,500.52 and 89,489.36

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Solution

The fourth proportional to 168,454.64, 252,500.52 and 89,489.36 is: 134,137.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,454.64 : 252,500.52 = 89,489.36 : x
  2. Step 2: Convert to fraction form
    168,454.64/252,500.52 = 89,489.36/x
  3. Step 3: Cross multiply
    168,454.64x = 252,500.52 × 89,489.36
  4. Step 4: Simplify right side
    168,454.64x = 22,596,109,934.47
  5. Step 5: Solve for x
    x = 22,596,109,934.47/168,454.64
  6. Step 6: Final answer
    x = 134,137.65

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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.