Home / 125,743.22-173,522.18-69,154.60

Finding the Fourth Proportional to 125,743.22, 173,522.18 and 69,154.60

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Solution

The fourth proportional to 125,743.22, 173,522.18 and 69,154.60 is: 95,431.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,743.22 : 173,522.18 = 69,154.60 : x
  2. Step 2: Convert to fraction form
    125,743.22/173,522.18 = 69,154.60/x
  3. Step 3: Cross multiply
    125,743.22x = 173,522.18 × 69,154.60
  4. Step 4: Simplify right side
    125,743.22x = 11,999,856,949.03
  5. Step 5: Solve for x
    x = 11,999,856,949.03/125,743.22
  6. Step 6: Final answer
    x = 95,431.44

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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.