Home / 156,313.40-234,277.72-88,902

Finding the Fourth Proportional to 156,313.40, 234,277.72 and 88,902

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Solution

The fourth proportional to 156,313.40, 234,277.72 and 88,902 is: 133,243.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,313.40 : 234,277.72 = 88,902 : x
  2. Step 2: Convert to fraction form
    156,313.40/234,277.72 = 88,902/x
  3. Step 3: Cross multiply
    156,313.40x = 234,277.72 × 88,902
  4. Step 4: Simplify right side
    156,313.40x = 20,827,757,863.44
  5. Step 5: Solve for x
    x = 20,827,757,863.44/156,313.40
  6. Step 6: Final answer
    x = 133,243.59

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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.