Home / 231,934.53-320,064.24-136,447.38

Finding the Fourth Proportional to 231,934.53, 320,064.24 and 136,447.38

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Solution

The fourth proportional to 231,934.53, 320,064.24 and 136,447.38 is: 188,294.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,934.53 : 320,064.24 = 136,447.38 : x
  2. Step 2: Convert to fraction form
    231,934.53/320,064.24 = 136,447.38/x
  3. Step 3: Cross multiply
    231,934.53x = 320,064.24 × 136,447.38
  4. Step 4: Simplify right side
    231,934.53x = 43,671,926,979.69
  5. Step 5: Solve for x
    x = 43,671,926,979.69/231,934.53
  6. Step 6: Final answer
    x = 188,294.20

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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.