Home / 124,205.40-171,404.10-67,617.18

Finding the Fourth Proportional to 124,205.40, 171,404.10 and 67,617.18

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Solution

The fourth proportional to 124,205.40, 171,404.10 and 67,617.18 is: 93,312.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,205.40 : 171,404.10 = 67,617.18 : x
  2. Step 2: Convert to fraction form
    124,205.40/171,404.10 = 67,617.18/x
  3. Step 3: Cross multiply
    124,205.40x = 171,404.10 × 67,617.18
  4. Step 4: Simplify right side
    124,205.40x = 11,589,861,882.44
  5. Step 5: Solve for x
    x = 11,589,861,882.44/124,205.40
  6. Step 6: Final answer
    x = 93,312.06

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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.