Home / 124,884.80-172,340.96-68,296.20

Finding the Fourth Proportional to 124,884.80, 172,340.96 and 68,296.20

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Solution

The fourth proportional to 124,884.80, 172,340.96 and 68,296.20 is: 94,248.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,884.80 : 172,340.96 = 68,296.20 : x
  2. Step 2: Convert to fraction form
    124,884.80/172,340.96 = 68,296.20/x
  3. Step 3: Cross multiply
    124,884.80x = 172,340.96 × 68,296.20
  4. Step 4: Simplify right side
    124,884.80x = 11,770,232,672.35
  5. Step 5: Solve for x
    x = 11,770,232,672.35/124,884.80
  6. Step 6: Final answer
    x = 94,248.72

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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.