Home / 124,255.40-171,474.42-67,666.73

Finding the Fourth Proportional to 124,255.40, 171,474.42 and 67,666.73

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Solution

The fourth proportional to 124,255.40, 171,474.42 and 67,666.73 is: 93,381.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,255.40 : 171,474.42 = 67,666.73 : x
  2. Step 2: Convert to fraction form
    124,255.40/171,474.42 = 67,666.73/x
  3. Step 3: Cross multiply
    124,255.40x = 171,474.42 × 67,666.73
  4. Step 4: Simplify right side
    124,255.40x = 11,603,113,280.05
  5. Step 5: Solve for x
    x = 11,603,113,280.05/124,255.40
  6. Step 6: Final answer
    x = 93,381.16

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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.