Home / 140,753.96-194,240.76-76,223.92

Finding the Fourth Proportional to 140,753.96, 194,240.76 and 76,223.92

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Solution

The fourth proportional to 140,753.96, 194,240.76 and 76,223.92 is: 105,189.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,753.96 : 194,240.76 = 76,223.92 : x
  2. Step 2: Convert to fraction form
    140,753.96/194,240.76 = 76,223.92/x
  3. Step 3: Cross multiply
    140,753.96x = 194,240.76 × 76,223.92
  4. Step 4: Simplify right side
    140,753.96x = 14,805,792,150.98
  5. Step 5: Solve for x
    x = 14,805,792,150.98/140,753.96
  6. Step 6: Final answer
    x = 105,189.17

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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.