Home / 222,390.92-306,895.08-126,882.20

Finding the Fourth Proportional to 222,390.92, 306,895.08 and 126,882.20

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Solution

The fourth proportional to 222,390.92, 306,895.08 and 126,882.20 is: 175,094.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,390.92 : 306,895.08 = 126,882.20 : x
  2. Step 2: Convert to fraction form
    222,390.92/306,895.08 = 126,882.20/x
  3. Step 3: Cross multiply
    222,390.92x = 306,895.08 × 126,882.20
  4. Step 4: Simplify right side
    222,390.92x = 38,939,522,919.58
  5. Step 5: Solve for x
    x = 38,939,522,919.58/222,390.92
  6. Step 6: Final answer
    x = 175,094.93

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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.