Home / 140,911.17-194,459.92-76,382.52

Finding the Fourth Proportional to 140,911.17, 194,459.92 and 76,382.52

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Solution

The fourth proportional to 140,911.17, 194,459.92 and 76,382.52 is: 105,409.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,911.17 : 194,459.92 = 76,382.52 : x
  2. Step 2: Convert to fraction form
    140,911.17/194,459.92 = 76,382.52/x
  3. Step 3: Cross multiply
    140,911.17x = 194,459.92 × 76,382.52
  4. Step 4: Simplify right side
    140,911.17x = 14,853,339,331.91
  5. Step 5: Solve for x
    x = 14,853,339,331.91/140,911.17
  6. Step 6: Final answer
    x = 105,409.24

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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.