Home / 178,424.40-267,636.60-108,325.20

Finding the Fourth Proportional to 178,424.40, 267,636.60 and 108,325.20

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Solution

The fourth proportional to 178,424.40, 267,636.60 and 108,325.20 is: 162,487.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,424.40 : 267,636.60 = 108,325.20 : x
  2. Step 2: Convert to fraction form
    178,424.40/267,636.60 = 108,325.20/x
  3. Step 3: Cross multiply
    178,424.40x = 267,636.60 × 108,325.20
  4. Step 4: Simplify right side
    178,424.40x = 28,991,788,222.32
  5. Step 5: Solve for x
    x = 28,991,788,222.32/178,424.40
  6. Step 6: Final answer
    x = 162,487.80

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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.