Home / 193,423.76-266,856.36-126,394.64

Finding the Fourth Proportional to 193,423.76, 266,856.36 and 126,394.64

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Solution

The fourth proportional to 193,423.76, 266,856.36 and 126,394.64 is: 174,379.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,423.76 : 266,856.36 = 126,394.64 : x
  2. Step 2: Convert to fraction form
    193,423.76/266,856.36 = 126,394.64/x
  3. Step 3: Cross multiply
    193,423.76x = 266,856.36 × 126,394.64
  4. Step 4: Simplify right side
    193,423.76x = 33,729,213,553.91
  5. Step 5: Solve for x
    x = 33,729,213,553.91/193,423.76
  6. Step 6: Final answer
    x = 174,379.89

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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.