Home / 197,371.40-296,057.10-72,696.20

Finding the Fourth Proportional to 197,371.40, 296,057.10 and 72,696.20

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Solution

The fourth proportional to 197,371.40, 296,057.10 and 72,696.20 is: 109,044.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,371.40 : 296,057.10 = 72,696.20 : x
  2. Step 2: Convert to fraction form
    197,371.40/296,057.10 = 72,696.20/x
  3. Step 3: Cross multiply
    197,371.40x = 296,057.10 × 72,696.20
  4. Step 4: Simplify right side
    197,371.40x = 21,522,226,153.02
  5. Step 5: Solve for x
    x = 21,522,226,153.02/197,371.40
  6. Step 6: Final answer
    x = 109,044.30

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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.