Home / 321,919.20-444,254.08-176,738.49

Finding the Fourth Proportional to 321,919.20, 444,254.08 and 176,738.49

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Solution

The fourth proportional to 321,919.20, 444,254.08 and 176,738.49 is: 243,902.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,919.20 : 444,254.08 = 176,738.49 : x
  2. Step 2: Convert to fraction form
    321,919.20/444,254.08 = 176,738.49/x
  3. Step 3: Cross multiply
    321,919.20x = 444,254.08 × 176,738.49
  4. Step 4: Simplify right side
    321,919.20x = 78,516,795,275.54
  5. Step 5: Solve for x
    x = 78,516,795,275.54/321,919.20
  6. Step 6: Final answer
    x = 243,902.18

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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.