Home / 124,147.25-186,257.60-71,594.45

Finding the Fourth Proportional to 124,147.25, 186,257.60 and 71,594.45

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Solution

The fourth proportional to 124,147.25, 186,257.60 and 71,594.45 is: 107,412.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,147.25 : 186,257.60 = 71,594.45 : x
  2. Step 2: Convert to fraction form
    124,147.25/186,257.60 = 71,594.45/x
  3. Step 3: Cross multiply
    124,147.25x = 186,257.60 × 71,594.45
  4. Step 4: Simplify right side
    124,147.25x = 13,335,010,072.35
  5. Step 5: Solve for x
    x = 13,335,010,072.35/124,147.25
  6. Step 6: Final answer
    x = 107,412.85

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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.