Home / 159,508.12-239,316.45-100,274.44

Finding the Fourth Proportional to 159,508.12, 239,316.45 and 100,274.44

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Solution

The fourth proportional to 159,508.12, 239,316.45 and 100,274.44 is: 150,445.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,508.12 : 239,316.45 = 100,274.44 : x
  2. Step 2: Convert to fraction form
    159,508.12/239,316.45 = 100,274.44/x
  3. Step 3: Cross multiply
    159,508.12x = 239,316.45 × 100,274.44
  4. Step 4: Simplify right side
    159,508.12x = 23,997,323,006.54
  5. Step 5: Solve for x
    x = 23,997,323,006.54/159,508.12
  6. Step 6: Final answer
    x = 150,445.78

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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.