Home / 157,478.50-236,229.30-67,433.39

Finding the Fourth Proportional to 157,478.50, 236,229.30 and 67,433.39

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Solution

The fourth proportional to 157,478.50, 236,229.30 and 67,433.39 is: 101,155.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,478.50 : 236,229.30 = 67,433.39 : x
  2. Step 2: Convert to fraction form
    157,478.50/236,229.30 = 67,433.39/x
  3. Step 3: Cross multiply
    157,478.50x = 236,229.30 × 67,433.39
  4. Step 4: Simplify right side
    157,478.50x = 15,929,743,106.90
  5. Step 5: Solve for x
    x = 15,929,743,106.90/157,478.50
  6. Step 6: Final answer
    x = 101,155.04

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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.