Home / 178,489.18-267,647.58-103,628.20

Finding the Fourth Proportional to 178,489.18, 267,647.58 and 103,628.20

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Solution

The fourth proportional to 178,489.18, 267,647.58 and 103,628.20 is: 155,392.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,489.18 : 267,647.58 = 103,628.20 : x
  2. Step 2: Convert to fraction form
    178,489.18/267,647.58 = 103,628.20/x
  3. Step 3: Cross multiply
    178,489.18x = 267,647.58 × 103,628.20
  4. Step 4: Simplify right side
    178,489.18x = 27,735,836,949.76
  5. Step 5: Solve for x
    x = 27,735,836,949.76/178,489.18
  6. Step 6: Final answer
    x = 155,392.26

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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.