Home / 132,709.10-198,577.65-97,717.10

Finding the Fourth Proportional to 132,709.10, 198,577.65 and 97,717.10

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Solution

The fourth proportional to 132,709.10, 198,577.65 and 97,717.10 is: 146,217.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,709.10 : 198,577.65 = 97,717.10 : x
  2. Step 2: Convert to fraction form
    132,709.10/198,577.65 = 97,717.10/x
  3. Step 3: Cross multiply
    132,709.10x = 198,577.65 × 97,717.10
  4. Step 4: Simplify right side
    132,709.10x = 19,404,432,082.82
  5. Step 5: Solve for x
    x = 19,404,432,082.82/132,709.10
  6. Step 6: Final answer
    x = 146,217.80

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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.