Home / 124,195.64-171,385.62-67,605.80

Finding the Fourth Proportional to 124,195.64, 171,385.62 and 67,605.80

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Solution

The fourth proportional to 124,195.64, 171,385.62 and 67,605.80 is: 93,293.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,195.64 : 171,385.62 = 67,605.80 : x
  2. Step 2: Convert to fraction form
    124,195.64/171,385.62 = 67,605.80/x
  3. Step 3: Cross multiply
    124,195.64x = 171,385.62 × 67,605.80
  4. Step 4: Simplify right side
    124,195.64x = 11,586,661,948.60
  5. Step 5: Solve for x
    x = 11,586,661,948.60/124,195.64
  6. Step 6: Final answer
    x = 93,293.63

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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.