Home / 193,309.76-266,884.08-126,358.40

Finding the Fourth Proportional to 193,309.76, 266,884.08 and 126,358.40

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Solution

The fourth proportional to 193,309.76, 266,884.08 and 126,358.40 is: 174,450.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,309.76 : 266,884.08 = 126,358.40 : x
  2. Step 2: Convert to fraction form
    193,309.76/266,884.08 = 126,358.40/x
  3. Step 3: Cross multiply
    193,309.76x = 266,884.08 × 126,358.40
  4. Step 4: Simplify right side
    193,309.76x = 33,723,045,334.27
  5. Step 5: Solve for x
    x = 33,723,045,334.27/193,309.76
  6. Step 6: Final answer
    x = 174,450.82

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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.