Home / 178,815.69-267,869.30-122,517.45

Finding the Fourth Proportional to 178,815.69, 267,869.30 and 122,517.45

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Solution

The fourth proportional to 178,815.69, 267,869.30 and 122,517.45 is: 183,533.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,815.69 : 267,869.30 = 122,517.45 : x
  2. Step 2: Convert to fraction form
    178,815.69/267,869.30 = 122,517.45/x
  3. Step 3: Cross multiply
    178,815.69x = 267,869.30 × 122,517.45
  4. Step 4: Simplify right side
    178,815.69x = 32,818,662,956.70
  5. Step 5: Solve for x
    x = 32,818,662,956.70/178,815.69
  6. Step 6: Final answer
    x = 183,533.46

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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.