Home / 193,421.76-266,853.60-126,392.64

Finding the Fourth Proportional to 193,421.76, 266,853.60 and 126,392.64

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Solution

The fourth proportional to 193,421.76, 266,853.60 and 126,392.64 is: 174,377.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,421.76 : 266,853.60 = 126,392.64 : x
  2. Step 2: Convert to fraction form
    193,421.76/266,853.60 = 126,392.64/x
  3. Step 3: Cross multiply
    193,421.76x = 266,853.60 × 126,392.64
  4. Step 4: Simplify right side
    193,421.76x = 33,728,330,997.50
  5. Step 5: Solve for x
    x = 33,728,330,997.50/193,421.76
  6. Step 6: Final answer
    x = 174,377.13

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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.