Home / 122,334.26-168,821.55-71,382.02

Finding the Fourth Proportional to 122,334.26, 168,821.55 and 71,382.02

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Solution

The fourth proportional to 122,334.26, 168,821.55 and 71,382.02 is: 98,507.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,334.26 : 168,821.55 = 71,382.02 : x
  2. Step 2: Convert to fraction form
    122,334.26/168,821.55 = 71,382.02/x
  3. Step 3: Cross multiply
    122,334.26x = 168,821.55 × 71,382.02
  4. Step 4: Simplify right side
    122,334.26x = 12,050,822,414.42
  5. Step 5: Solve for x
    x = 12,050,822,414.42/122,334.26
  6. Step 6: Final answer
    x = 98,507.34

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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.