Home / 222,335.59-306,823.05-120,360.98

Finding the Fourth Proportional to 222,335.59, 306,823.05 and 120,360.98

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Solution

The fourth proportional to 222,335.59, 306,823.05 and 120,360.98 is: 166,098.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,335.59 : 306,823.05 = 120,360.98 : x
  2. Step 2: Convert to fraction form
    222,335.59/306,823.05 = 120,360.98/x
  3. Step 3: Cross multiply
    222,335.59x = 306,823.05 × 120,360.98
  4. Step 4: Simplify right side
    222,335.59x = 36,929,522,664.65
  5. Step 5: Solve for x
    x = 36,929,522,664.65/222,335.59
  6. Step 6: Final answer
    x = 166,098.11

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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.