Home / 112,433.55-155,158.20-62,132.55

Finding the Fourth Proportional to 112,433.55, 155,158.20 and 62,132.55

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Solution

The fourth proportional to 112,433.55, 155,158.20 and 62,132.55 is: 85,742.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,433.55 : 155,158.20 = 62,132.55 : x
  2. Step 2: Convert to fraction form
    112,433.55/155,158.20 = 62,132.55/x
  3. Step 3: Cross multiply
    112,433.55x = 155,158.20 × 62,132.55
  4. Step 4: Simplify right side
    112,433.55x = 9,640,374,619.41
  5. Step 5: Solve for x
    x = 9,640,374,619.41/112,433.55
  6. Step 6: Final answer
    x = 85,742.86

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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.