Home / 174,719.14-240,517.39-129,311.55

Finding the Fourth Proportional to 174,719.14, 240,517.39 and 129,311.55

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Solution

The fourth proportional to 174,719.14, 240,517.39 and 129,311.55 is: 178,009.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,719.14 : 240,517.39 = 129,311.55 : x
  2. Step 2: Convert to fraction form
    174,719.14/240,517.39 = 129,311.55/x
  3. Step 3: Cross multiply
    174,719.14x = 240,517.39 × 129,311.55
  4. Step 4: Simplify right side
    174,719.14x = 31,101,676,502.85
  5. Step 5: Solve for x
    x = 31,101,676,502.85/174,719.14
  6. Step 6: Final answer
    x = 178,009.56

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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.