Home / 178,889.40-268,334.10-108,030.60

Finding the Fourth Proportional to 178,889.40, 268,334.10 and 108,030.60

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Solution

The fourth proportional to 178,889.40, 268,334.10 and 108,030.60 is: 162,045.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,889.40 : 268,334.10 = 108,030.60 : x
  2. Step 2: Convert to fraction form
    178,889.40/268,334.10 = 108,030.60/x
  3. Step 3: Cross multiply
    178,889.40x = 268,334.10 × 108,030.60
  4. Step 4: Simplify right side
    178,889.40x = 28,988,293,823.46
  5. Step 5: Solve for x
    x = 28,988,293,823.46/178,889.40
  6. Step 6: Final answer
    x = 162,045.90

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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.