Home / 136,540.08-204,780.96-43,023.96

Finding the Fourth Proportional to 136,540.08, 204,780.96 and 43,023.96

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Solution

The fourth proportional to 136,540.08, 204,780.96 and 43,023.96 is: 64,526.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,540.08 : 204,780.96 = 43,023.96 : x
  2. Step 2: Convert to fraction form
    136,540.08/204,780.96 = 43,023.96/x
  3. Step 3: Cross multiply
    136,540.08x = 204,780.96 × 43,023.96
  4. Step 4: Simplify right side
    136,540.08x = 8,810,487,831.80
  5. Step 5: Solve for x
    x = 8,810,487,831.80/136,540.08
  6. Step 6: Final answer
    x = 64,526.75

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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.