Home / 217,008.33-325,510.06-76,734.15

Finding the Fourth Proportional to 217,008.33, 325,510.06 and 76,734.15

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Solution

The fourth proportional to 217,008.33, 325,510.06 and 76,734.15 is: 115,100.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,008.33 : 325,510.06 = 76,734.15 : x
  2. Step 2: Convert to fraction form
    217,008.33/325,510.06 = 76,734.15/x
  3. Step 3: Cross multiply
    217,008.33x = 325,510.06 × 76,734.15
  4. Step 4: Simplify right side
    217,008.33x = 24,977,737,770.55
  5. Step 5: Solve for x
    x = 24,977,737,770.55/217,008.33
  6. Step 6: Final answer
    x = 115,100.36

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1.5x scale

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.