Home / 146,156.15-219,219.87-99,073.68

Finding the Fourth Proportional to 146,156.15, 219,219.87 and 99,073.68

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Solution

The fourth proportional to 146,156.15, 219,219.87 and 99,073.68 is: 148,600.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,156.15 : 219,219.87 = 99,073.68 : x
  2. Step 2: Convert to fraction form
    146,156.15/219,219.87 = 99,073.68/x
  3. Step 3: Cross multiply
    146,156.15x = 219,219.87 × 99,073.68
  4. Step 4: Simplify right side
    146,156.15x = 21,718,919,475.30
  5. Step 5: Solve for x
    x = 21,718,919,475.30/146,156.15
  6. Step 6: Final answer
    x = 148,600.79

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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.