Home / 132,274.72-198,479.92-64,805.47

Finding the Fourth Proportional to 132,274.72, 198,479.92 and 64,805.47

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Solution

The fourth proportional to 132,274.72, 198,479.92 and 64,805.47 is: 97,241.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,274.72 : 198,479.92 = 64,805.47 : x
  2. Step 2: Convert to fraction form
    132,274.72/198,479.92 = 64,805.47/x
  3. Step 3: Cross multiply
    132,274.72x = 198,479.92 × 64,805.47
  4. Step 4: Simplify right side
    132,274.72x = 12,862,583,964.46
  5. Step 5: Solve for x
    x = 12,862,583,964.46/132,274.72
  6. Step 6: Final answer
    x = 97,241.44

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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.