Home / 178,695.54-268,062.75-66,362.58

Finding the Fourth Proportional to 178,695.54, 268,062.75 and 66,362.58

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Solution

The fourth proportional to 178,695.54, 268,062.75 and 66,362.58 is: 99,551.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,695.54 : 268,062.75 = 66,362.58 : x
  2. Step 2: Convert to fraction form
    178,695.54/268,062.75 = 66,362.58/x
  3. Step 3: Cross multiply
    178,695.54x = 268,062.75 × 66,362.58
  4. Step 4: Simplify right side
    178,695.54x = 17,789,335,691.90
  5. Step 5: Solve for x
    x = 17,789,335,691.90/178,695.54
  6. Step 6: Final answer
    x = 99,551.09

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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.