Home / 178,822.60-268,233.90-112,309.45

Finding the Fourth Proportional to 178,822.60, 268,233.90 and 112,309.45

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Solution

The fourth proportional to 178,822.60, 268,233.90 and 112,309.45 is: 168,464.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,822.60 : 268,233.90 = 112,309.45 : x
  2. Step 2: Convert to fraction form
    178,822.60/268,233.90 = 112,309.45/x
  3. Step 3: Cross multiply
    178,822.60x = 268,233.90 × 112,309.45
  4. Step 4: Simplify right side
    178,822.60x = 30,125,201,780.36
  5. Step 5: Solve for x
    x = 30,125,201,780.36/178,822.60
  6. Step 6: Final answer
    x = 168,464.18

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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.