Home / 193,337.88-266,808.09-108,456.76

Finding the Fourth Proportional to 193,337.88, 266,808.09 and 108,456.76

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Solution

The fourth proportional to 193,337.88, 266,808.09 and 108,456.76 is: 149,671.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,337.88 : 266,808.09 = 108,456.76 : x
  2. Step 2: Convert to fraction form
    193,337.88/266,808.09 = 108,456.76/x
  3. Step 3: Cross multiply
    193,337.88x = 266,808.09 × 108,456.76
  4. Step 4: Simplify right side
    193,337.88x = 28,937,140,983.19
  5. Step 5: Solve for x
    x = 28,937,140,983.19/193,337.88
  6. Step 6: Final answer
    x = 149,671.35

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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.