Home / 136,337.41-188,145.19-75,906.48

Finding the Fourth Proportional to 136,337.41, 188,145.19 and 75,906.48

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Solution

The fourth proportional to 136,337.41, 188,145.19 and 75,906.48 is: 104,750.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,337.41 : 188,145.19 = 75,906.48 : x
  2. Step 2: Convert to fraction form
    136,337.41/188,145.19 = 75,906.48/x
  3. Step 3: Cross multiply
    136,337.41x = 188,145.19 × 75,906.48
  4. Step 4: Simplify right side
    136,337.41x = 14,281,439,101.83
  5. Step 5: Solve for x
    x = 14,281,439,101.83/136,337.41
  6. Step 6: Final answer
    x = 104,750.70

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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.