Home / 170,761.20-256,141.80-52,432.35

Finding the Fourth Proportional to 170,761.20, 256,141.80 and 52,432.35

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Solution

The fourth proportional to 170,761.20, 256,141.80 and 52,432.35 is: 78,648.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,761.20 : 256,141.80 = 52,432.35 : x
  2. Step 2: Convert to fraction form
    170,761.20/256,141.80 = 52,432.35/x
  3. Step 3: Cross multiply
    170,761.20x = 256,141.80 × 52,432.35
  4. Step 4: Simplify right side
    170,761.20x = 13,430,116,507.23
  5. Step 5: Solve for x
    x = 13,430,116,507.23/170,761.20
  6. Step 6: Final answer
    x = 78,648.53

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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.