Home / 147,374.05-221,060.43-42,193

Finding the Fourth Proportional to 147,374.05, 221,060.43 and 42,193

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Solution

The fourth proportional to 147,374.05, 221,060.43 and 42,193 is: 63,289.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,374.05 : 221,060.43 = 42,193 : x
  2. Step 2: Convert to fraction form
    147,374.05/221,060.43 = 42,193/x
  3. Step 3: Cross multiply
    147,374.05x = 221,060.43 × 42,193
  4. Step 4: Simplify right side
    147,374.05x = 9,327,202,722.99
  5. Step 5: Solve for x
    x = 9,327,202,722.99/147,374.05
  6. Step 6: Final answer
    x = 63,289.32

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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.