Home / 111,432.12-167,153.76-36,545.64

Finding the Fourth Proportional to 111,432.12, 167,153.76 and 36,545.64

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Solution

The fourth proportional to 111,432.12, 167,153.76 and 36,545.64 is: 54,820.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,432.12 : 167,153.76 = 36,545.64 : x
  2. Step 2: Convert to fraction form
    111,432.12/167,153.76 = 36,545.64/x
  3. Step 3: Cross multiply
    111,432.12x = 167,153.76 × 36,545.64
  4. Step 4: Simplify right side
    111,432.12x = 6,108,741,137.61
  5. Step 5: Solve for x
    x = 6,108,741,137.61/111,432.12
  6. Step 6: Final answer
    x = 54,820.29

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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.