Home / 261,966.30-392,949.45-222,600.30

Finding the Fourth Proportional to 261,966.30, 392,949.45 and 222,600.30

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Solution

The fourth proportional to 261,966.30, 392,949.45 and 222,600.30 is: 333,900.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,966.30 : 392,949.45 = 222,600.30 : x
  2. Step 2: Convert to fraction form
    261,966.30/392,949.45 = 222,600.30/x
  3. Step 3: Cross multiply
    261,966.30x = 392,949.45 × 222,600.30
  4. Step 4: Simplify right side
    261,966.30x = 87,470,665,454.84
  5. Step 5: Solve for x
    x = 87,470,665,454.84/261,966.30
  6. Step 6: Final answer
    x = 333,900.45

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.