Home / 122,876.22-169,535.25-69,158.10

Finding the Fourth Proportional to 122,876.22, 169,535.25 and 69,158.10

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Solution

The fourth proportional to 122,876.22, 169,535.25 and 69,158.10 is: 95,419.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,876.22 : 169,535.25 = 69,158.10 : x
  2. Step 2: Convert to fraction form
    122,876.22/169,535.25 = 69,158.10/x
  3. Step 3: Cross multiply
    122,876.22x = 169,535.25 × 69,158.10
  4. Step 4: Simplify right side
    122,876.22x = 11,724,735,773.03
  5. Step 5: Solve for x
    x = 11,724,735,773.03/122,876.22
  6. Step 6: Final answer
    x = 95,419.08

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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.