Home / 217,914.12-326,568.78-99,295.56

Finding the Fourth Proportional to 217,914.12, 326,568.78 and 99,295.56

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Solution

The fourth proportional to 217,914.12, 326,568.78 and 99,295.56 is: 148,805.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,914.12 : 326,568.78 = 99,295.56 : x
  2. Step 2: Convert to fraction form
    217,914.12/326,568.78 = 99,295.56/x
  3. Step 3: Cross multiply
    217,914.12x = 326,568.78 × 99,295.56
  4. Step 4: Simplify right side
    217,914.12x = 32,426,829,888.62
  5. Step 5: Solve for x
    x = 32,426,829,888.62/217,914.12
  6. Step 6: Final answer
    x = 148,805.55

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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.