Home / 435,778.20-653,667.30-155,194.20

Finding the Fourth Proportional to 435,778.20, 653,667.30 and 155,194.20

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Solution

The fourth proportional to 435,778.20, 653,667.30 and 155,194.20 is: 232,791.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,778.20 : 653,667.30 = 155,194.20 : x
  2. Step 2: Convert to fraction form
    435,778.20/653,667.30 = 155,194.20/x
  3. Step 3: Cross multiply
    435,778.20x = 653,667.30 × 155,194.20
  4. Step 4: Simplify right side
    435,778.20x = 101,445,373,689.66
  5. Step 5: Solve for x
    x = 101,445,373,689.66/435,778.20
  6. Step 6: Final answer
    x = 232,791.30

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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.