Home / 136,611.17-188,524.62-75,359.70

Finding the Fourth Proportional to 136,611.17, 188,524.62 and 75,359.70

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Solution

The fourth proportional to 136,611.17, 188,524.62 and 75,359.70 is: 103,997.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,611.17 : 188,524.62 = 75,359.70 : x
  2. Step 2: Convert to fraction form
    136,611.17/188,524.62 = 75,359.70/x
  3. Step 3: Cross multiply
    136,611.17x = 188,524.62 × 75,359.70
  4. Step 4: Simplify right side
    136,611.17x = 14,207,158,805.81
  5. Step 5: Solve for x
    x = 14,207,158,805.81/136,611.17
  6. Step 6: Final answer
    x = 103,997.05

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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.