Home / 104,531.22-156,680.13-45,278.10

Finding the Fourth Proportional to 104,531.22, 156,680.13 and 45,278.10

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Solution

The fourth proportional to 104,531.22, 156,680.13 and 45,278.10 is: 67,866.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,531.22 : 156,680.13 = 45,278.10 : x
  2. Step 2: Convert to fraction form
    104,531.22/156,680.13 = 45,278.10/x
  3. Step 3: Cross multiply
    104,531.22x = 156,680.13 × 45,278.10
  4. Step 4: Simplify right side
    104,531.22x = 7,094,178,594.15
  5. Step 5: Solve for x
    x = 7,094,178,594.15/104,531.22
  6. Step 6: Final answer
    x = 67,866.60

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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.