Home / 168,177.60-231,595.20-136,101.60

Finding the Fourth Proportional to 168,177.60, 231,595.20 and 136,101.60

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Solution

The fourth proportional to 168,177.60, 231,595.20 and 136,101.60 is: 187,423.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,177.60 : 231,595.20 = 136,101.60 : x
  2. Step 2: Convert to fraction form
    168,177.60/231,595.20 = 136,101.60/x
  3. Step 3: Cross multiply
    168,177.60x = 231,595.20 × 136,101.60
  4. Step 4: Simplify right side
    168,177.60x = 31,520,477,272.32
  5. Step 5: Solve for x
    x = 31,520,477,272.32/168,177.60
  6. Step 6: Final answer
    x = 187,423.75

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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.