Home / 124,226.28-171,432.92-67,638.06

Finding the Fourth Proportional to 124,226.28, 171,432.92 and 67,638.06

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Solution

The fourth proportional to 124,226.28, 171,432.92 and 67,638.06 is: 93,340.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,226.28 : 171,432.92 = 67,638.06 : x
  2. Step 2: Convert to fraction form
    124,226.28/171,432.92 = 67,638.06/x
  3. Step 3: Cross multiply
    124,226.28x = 171,432.92 × 67,638.06
  4. Step 4: Simplify right side
    124,226.28x = 11,595,390,128.94
  5. Step 5: Solve for x
    x = 11,595,390,128.94/124,226.28
  6. Step 6: Final answer
    x = 93,340.88

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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.