Home / 170,734.39-256,102.19-52,405.74

Finding the Fourth Proportional to 170,734.39, 256,102.19 and 52,405.74

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Solution

The fourth proportional to 170,734.39, 256,102.19 and 52,405.74 is: 78,608.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,734.39 : 256,102.19 = 52,405.74 : x
  2. Step 2: Convert to fraction form
    170,734.39/256,102.19 = 52,405.74/x
  3. Step 3: Cross multiply
    170,734.39x = 256,102.19 × 52,405.74
  4. Step 4: Simplify right side
    170,734.39x = 13,421,223,240.03
  5. Step 5: Solve for x
    x = 13,421,223,240.03/170,734.39
  6. Step 6: Final answer
    x = 78,608.79

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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.