Home / 132,353.64-198,539.10-96,921

Finding the Fourth Proportional to 132,353.64, 198,539.10 and 96,921

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Solution

The fourth proportional to 132,353.64, 198,539.10 and 96,921 is: 145,387.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,353.64 : 198,539.10 = 96,921 : x
  2. Step 2: Convert to fraction form
    132,353.64/198,539.10 = 96,921/x
  3. Step 3: Cross multiply
    132,353.64x = 198,539.10 × 96,921
  4. Step 4: Simplify right side
    132,353.64x = 19,242,608,111.10
  5. Step 5: Solve for x
    x = 19,242,608,111.10/132,353.64
  6. Step 6: Final answer
    x = 145,387.83

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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.