Home / 154,691.68-232,141.20-99,326.56

Finding the Fourth Proportional to 154,691.68, 232,141.20 and 99,326.56

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Solution

The fourth proportional to 154,691.68, 232,141.20 and 99,326.56 is: 149,056.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,691.68 : 232,141.20 = 99,326.56 : x
  2. Step 2: Convert to fraction form
    154,691.68/232,141.20 = 99,326.56/x
  3. Step 3: Cross multiply
    154,691.68x = 232,141.20 × 99,326.56
  4. Step 4: Simplify right side
    154,691.68x = 23,057,786,830.27
  5. Step 5: Solve for x
    x = 23,057,786,830.27/154,691.68
  6. Step 6: Final answer
    x = 149,056.41

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1.5x scale

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.