Home / 124,104.12-171,275.27-73,132.66

Finding the Fourth Proportional to 124,104.12, 171,275.27 and 73,132.66

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Solution

The fourth proportional to 124,104.12, 171,275.27 and 73,132.66 is: 100,929.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,104.12 : 171,275.27 = 73,132.66 : x
  2. Step 2: Convert to fraction form
    124,104.12/171,275.27 = 73,132.66/x
  3. Step 3: Cross multiply
    124,104.12x = 171,275.27 × 73,132.66
  4. Step 4: Simplify right side
    124,104.12x = 12,525,816,087.32
  5. Step 5: Solve for x
    x = 12,525,816,087.32/124,104.12
  6. Step 6: Final answer
    x = 100,929.90

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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.