Home / 110,724.57-152,927.39-80,644.41

Finding the Fourth Proportional to 110,724.57, 152,927.39 and 80,644.41

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Solution

The fourth proportional to 110,724.57, 152,927.39 and 80,644.41 is: 111,382.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,724.57 : 152,927.39 = 80,644.41 : x
  2. Step 2: Convert to fraction form
    110,724.57/152,927.39 = 80,644.41/x
  3. Step 3: Cross multiply
    110,724.57x = 152,927.39 × 80,644.41
  4. Step 4: Simplify right side
    110,724.57x = 12,332,739,341.00
  5. Step 5: Solve for x
    x = 12,332,739,341.00/110,724.57
  6. Step 6: Final answer
    x = 111,382.14

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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.