Home / 124,149.75-171,326.66-67,561.53

Finding the Fourth Proportional to 124,149.75, 171,326.66 and 67,561.53

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Solution

The fourth proportional to 124,149.75, 171,326.66 and 67,561.53 is: 93,234.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,149.75 : 171,326.66 = 67,561.53 : x
  2. Step 2: Convert to fraction form
    124,149.75/171,326.66 = 67,561.53/x
  3. Step 3: Cross multiply
    124,149.75x = 171,326.66 × 67,561.53
  4. Step 4: Simplify right side
    124,149.75x = 11,575,090,941.58
  5. Step 5: Solve for x
    x = 11,575,090,941.58/124,149.75
  6. Step 6: Final answer
    x = 93,234.91

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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.