Home / 193,392.13-266,885.73-108,515.47

Finding the Fourth Proportional to 193,392.13, 266,885.73 and 108,515.47

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Solution

The fourth proportional to 193,392.13, 266,885.73 and 108,515.47 is: 149,753.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,392.13 : 266,885.73 = 108,515.47 : x
  2. Step 2: Convert to fraction form
    193,392.13/266,885.73 = 108,515.47/x
  3. Step 3: Cross multiply
    193,392.13x = 266,885.73 × 108,515.47
  4. Step 4: Simplify right side
    193,392.13x = 28,961,229,092.81
  5. Step 5: Solve for x
    x = 28,961,229,092.81/193,392.13
  6. Step 6: Final answer
    x = 149,753.92

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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.