Home / 127,767.16-176,249.28-80,011.18

Finding the Fourth Proportional to 127,767.16, 176,249.28 and 80,011.18

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Solution

The fourth proportional to 127,767.16, 176,249.28 and 80,011.18 is: 110,371.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,767.16 : 176,249.28 = 80,011.18 : x
  2. Step 2: Convert to fraction form
    127,767.16/176,249.28 = 80,011.18/x
  3. Step 3: Cross multiply
    127,767.16x = 176,249.28 × 80,011.18
  4. Step 4: Simplify right side
    127,767.16x = 14,101,912,866.95
  5. Step 5: Solve for x
    x = 14,101,912,866.95/127,767.16
  6. Step 6: Final answer
    x = 110,371.97

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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.