Home / 193,401.76-266,826-126,372.64

Finding the Fourth Proportional to 193,401.76, 266,826 and 126,372.64

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Solution

The fourth proportional to 193,401.76, 266,826 and 126,372.64 is: 174,349.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,401.76 : 266,826 = 126,372.64 : x
  2. Step 2: Convert to fraction form
    193,401.76/266,826 = 126,372.64/x
  3. Step 3: Cross multiply
    193,401.76x = 266,826 × 126,372.64
  4. Step 4: Simplify right side
    193,401.76x = 33,719,506,040.64
  5. Step 5: Solve for x
    x = 33,719,506,040.64/193,401.76
  6. Step 6: Final answer
    x = 174,349.53

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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.