Home / 178,016.74-267,024.43-72,835.68

Finding the Fourth Proportional to 178,016.74, 267,024.43 and 72,835.68

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Solution

The fourth proportional to 178,016.74, 267,024.43 and 72,835.68 is: 109,253.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,016.74 : 267,024.43 = 72,835.68 : x
  2. Step 2: Convert to fraction form
    178,016.74/267,024.43 = 72,835.68/x
  3. Step 3: Cross multiply
    178,016.74x = 267,024.43 × 72,835.68
  4. Step 4: Simplify right side
    178,016.74x = 19,448,905,935.66
  5. Step 5: Solve for x
    x = 19,448,905,935.66/178,016.74
  6. Step 6: Final answer
    x = 109,253.24

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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.