Home / 170,849.18-256,365.66-71,078.24

Finding the Fourth Proportional to 170,849.18, 256,365.66 and 71,078.24

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Solution

The fourth proportional to 170,849.18, 256,365.66 and 71,078.24 is: 106,655.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,849.18 : 256,365.66 = 71,078.24 : x
  2. Step 2: Convert to fraction form
    170,849.18/256,365.66 = 71,078.24/x
  3. Step 3: Cross multiply
    170,849.18x = 256,365.66 × 71,078.24
  4. Step 4: Simplify right side
    170,849.18x = 18,222,019,909.24
  5. Step 5: Solve for x
    x = 18,222,019,909.24/170,849.18
  6. Step 6: Final answer
    x = 106,655.59

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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.