Home / 124,118.06-171,287.19-67,531.58

Finding the Fourth Proportional to 124,118.06, 171,287.19 and 67,531.58

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Solution

The fourth proportional to 124,118.06, 171,287.19 and 67,531.58 is: 93,195.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,118.06 : 171,287.19 = 67,531.58 : x
  2. Step 2: Convert to fraction form
    124,118.06/171,287.19 = 67,531.58/x
  3. Step 3: Cross multiply
    124,118.06x = 171,287.19 × 67,531.58
  4. Step 4: Simplify right side
    124,118.06x = 11,567,294,574.46
  5. Step 5: Solve for x
    x = 11,567,294,574.46/124,118.06
  6. Step 6: Final answer
    x = 93,195.90

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1.5x scale

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.