Home / 170,732.88-256,129.38-58,386.69

Finding the Fourth Proportional to 170,732.88, 256,129.38 and 58,386.69

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Solution

The fourth proportional to 170,732.88, 256,129.38 and 58,386.69 is: 87,590.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,732.88 : 256,129.38 = 58,386.69 : x
  2. Step 2: Convert to fraction form
    170,732.88/256,129.38 = 58,386.69/x
  3. Step 3: Cross multiply
    170,732.88x = 256,129.38 × 58,386.69
  4. Step 4: Simplify right side
    170,732.88x = 14,954,546,709.95
  5. Step 5: Solve for x
    x = 14,954,546,709.95/170,732.88
  6. Step 6: Final answer
    x = 87,590.31

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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.