Home / 125,177.22-172,743.48-67,815.18

Finding the Fourth Proportional to 125,177.22, 172,743.48 and 67,815.18

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Solution

The fourth proportional to 125,177.22, 172,743.48 and 67,815.18 is: 93,584.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,177.22 : 172,743.48 = 67,815.18 : x
  2. Step 2: Convert to fraction form
    125,177.22/172,743.48 = 67,815.18/x
  3. Step 3: Cross multiply
    125,177.22x = 172,743.48 × 67,815.18
  4. Step 4: Simplify right side
    125,177.22x = 11,714,630,190.03
  5. Step 5: Solve for x
    x = 11,714,630,190.03/125,177.22
  6. Step 6: Final answer
    x = 93,584.36

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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.