Home / 140,910.49-194,454.84-77,248.27

Finding the Fourth Proportional to 140,910.49, 194,454.84 and 77,248.27

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Solution

The fourth proportional to 140,910.49, 194,454.84 and 77,248.27 is: 106,601.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,910.49 : 194,454.84 = 77,248.27 : x
  2. Step 2: Convert to fraction form
    140,910.49/194,454.84 = 77,248.27/x
  3. Step 3: Cross multiply
    140,910.49x = 194,454.84 × 77,248.27
  4. Step 4: Simplify right side
    140,910.49x = 15,021,299,983.13
  5. Step 5: Solve for x
    x = 15,021,299,983.13/140,910.49
  6. Step 6: Final answer
    x = 106,601.72

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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.