Home / 435,944.72-653,919.32-132,341.52

Finding the Fourth Proportional to 435,944.72, 653,919.32 and 132,341.52

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Solution

The fourth proportional to 435,944.72, 653,919.32 and 132,341.52 is: 198,512.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,944.72 : 653,919.32 = 132,341.52 : x
  2. Step 2: Convert to fraction form
    435,944.72/653,919.32 = 132,341.52/x
  3. Step 3: Cross multiply
    435,944.72x = 653,919.32 × 132,341.52
  4. Step 4: Simplify right side
    435,944.72x = 86,540,676,766.17
  5. Step 5: Solve for x
    x = 86,540,676,766.17/435,944.72
  6. Step 6: Final answer
    x = 198,512.96

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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.