Home / 217,825.20-326,278.53-99,595.98

Finding the Fourth Proportional to 217,825.20, 326,278.53 and 99,595.98

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Solution

The fourth proportional to 217,825.20, 326,278.53 and 99,595.98 is: 149,183.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,825.20 : 326,278.53 = 99,595.98 : x
  2. Step 2: Convert to fraction form
    217,825.20/326,278.53 = 99,595.98/x
  3. Step 3: Cross multiply
    217,825.20x = 326,278.53 × 99,595.98
  4. Step 4: Simplify right side
    217,825.20x = 32,496,029,948.31
  5. Step 5: Solve for x
    x = 32,496,029,948.31/217,825.20
  6. Step 6: Final answer
    x = 149,183.98

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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.