Home / 132,401.70-198,602.55-109,851.30

Finding the Fourth Proportional to 132,401.70, 198,602.55 and 109,851.30

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Solution

The fourth proportional to 132,401.70, 198,602.55 and 109,851.30 is: 164,776.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,401.70 : 198,602.55 = 109,851.30 : x
  2. Step 2: Convert to fraction form
    132,401.70/198,602.55 = 109,851.30/x
  3. Step 3: Cross multiply
    132,401.70x = 198,602.55 × 109,851.30
  4. Step 4: Simplify right side
    132,401.70x = 21,816,748,300.82
  5. Step 5: Solve for x
    x = 21,816,748,300.82/132,401.70
  6. Step 6: Final answer
    x = 164,776.95

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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.