Home / 193,449.49-266,521.16-149,691.58

Finding the Fourth Proportional to 193,449.49, 266,521.16 and 149,691.58

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Solution

The fourth proportional to 193,449.49, 266,521.16 and 149,691.58 is: 206,234.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,449.49 : 266,521.16 = 149,691.58 : x
  2. Step 2: Convert to fraction form
    193,449.49/266,521.16 = 149,691.58/x
  3. Step 3: Cross multiply
    193,449.49x = 266,521.16 × 149,691.58
  4. Step 4: Simplify right side
    193,449.49x = 39,895,973,543.83
  5. Step 5: Solve for x
    x = 39,895,973,543.83/193,449.49
  6. Step 6: Final answer
    x = 206,234.58

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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.