Home / 178,656.21-267,633.96-103,618.73

Finding the Fourth Proportional to 178,656.21, 267,633.96 and 103,618.73

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Solution

The fourth proportional to 178,656.21, 267,633.96 and 103,618.73 is: 155,224.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,656.21 : 267,633.96 = 103,618.73 : x
  2. Step 2: Convert to fraction form
    178,656.21/267,633.96 = 103,618.73/x
  3. Step 3: Cross multiply
    178,656.21x = 267,633.96 × 103,618.73
  4. Step 4: Simplify right side
    178,656.21x = 27,731,889,701.90
  5. Step 5: Solve for x
    x = 27,731,889,701.90/178,656.21
  6. Step 6: Final answer
    x = 155,224.89

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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.