Home / 104,348.13-156,454.15-68,701.55

Finding the Fourth Proportional to 104,348.13, 156,454.15 and 68,701.55

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Solution

The fourth proportional to 104,348.13, 156,454.15 and 68,701.55 is: 103,007.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,348.13 : 156,454.15 = 68,701.55 : x
  2. Step 2: Convert to fraction form
    104,348.13/156,454.15 = 68,701.55/x
  3. Step 3: Cross multiply
    104,348.13x = 156,454.15 × 68,701.55
  4. Step 4: Simplify right side
    104,348.13x = 10,748,642,608.93
  5. Step 5: Solve for x
    x = 10,748,642,608.93/104,348.13
  6. Step 6: Final answer
    x = 103,007.52

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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.