Home / 147,371.13-221,099.82-47,529.30

Finding the Fourth Proportional to 147,371.13, 221,099.82 and 47,529.30

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Solution

The fourth proportional to 147,371.13, 221,099.82 and 47,529.30 is: 71,307.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,371.13 : 221,099.82 = 47,529.30 : x
  2. Step 2: Convert to fraction form
    147,371.13/221,099.82 = 47,529.30/x
  3. Step 3: Cross multiply
    147,371.13x = 221,099.82 × 47,529.30
  4. Step 4: Simplify right side
    147,371.13x = 10,508,719,674.73
  5. Step 5: Solve for x
    x = 10,508,719,674.73/147,371.13
  6. Step 6: Final answer
    x = 71,307.86

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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.