Home / 170,747.80-256,160.10-52,424.60

Finding the Fourth Proportional to 170,747.80, 256,160.10 and 52,424.60

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Solution

The fourth proportional to 170,747.80, 256,160.10 and 52,424.60 is: 78,648.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,747.80 : 256,160.10 = 52,424.60 : x
  2. Step 2: Convert to fraction form
    170,747.80/256,160.10 = 52,424.60/x
  3. Step 3: Cross multiply
    170,747.80x = 256,160.10 × 52,424.60
  4. Step 4: Simplify right side
    170,747.80x = 13,429,090,778.46
  5. Step 5: Solve for x
    x = 13,429,090,778.46/170,747.80
  6. Step 6: Final answer
    x = 78,648.69

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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.