Home / 124,301.20-171,534.80-67,712.60

Finding the Fourth Proportional to 124,301.20, 171,534.80 and 67,712.60

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Solution

The fourth proportional to 124,301.20, 171,534.80 and 67,712.60 is: 93,442.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,301.20 : 171,534.80 = 67,712.60 : x
  2. Step 2: Convert to fraction form
    124,301.20/171,534.80 = 67,712.60/x
  3. Step 3: Cross multiply
    124,301.20x = 171,534.80 × 67,712.60
  4. Step 4: Simplify right side
    124,301.20x = 11,615,067,298.48
  5. Step 5: Solve for x
    x = 11,615,067,298.48/124,301.20
  6. Step 6: Final answer
    x = 93,442.92

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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.