Home / 170,868.15-256,394.16-71,097.21

Finding the Fourth Proportional to 170,868.15, 256,394.16 and 71,097.21

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Solution

The fourth proportional to 170,868.15, 256,394.16 and 71,097.21 is: 106,684.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,868.15 : 256,394.16 = 71,097.21 : x
  2. Step 2: Convert to fraction form
    170,868.15/256,394.16 = 71,097.21/x
  3. Step 3: Cross multiply
    170,868.15x = 256,394.16 × 71,097.21
  4. Step 4: Simplify right side
    170,868.15x = 18,228,909,436.29
  5. Step 5: Solve for x
    x = 18,228,909,436.29/170,868.15
  6. Step 6: Final answer
    x = 106,684.07

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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.