Home / 124,166.75-171,367.52-72,500.75

Finding the Fourth Proportional to 124,166.75, 171,367.52 and 72,500.75

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Solution

The fourth proportional to 124,166.75, 171,367.52 and 72,500.75 is: 100,061.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,166.75 : 171,367.52 = 72,500.75 : x
  2. Step 2: Convert to fraction form
    124,166.75/171,367.52 = 72,500.75/x
  3. Step 3: Cross multiply
    124,166.75x = 171,367.52 × 72,500.75
  4. Step 4: Simplify right side
    124,166.75x = 12,424,273,148.93
  5. Step 5: Solve for x
    x = 12,424,273,148.93/124,166.75
  6. Step 6: Final answer
    x = 100,061.20

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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.