Home / 170,686.17-256,021.97-58,376.43

Finding the Fourth Proportional to 170,686.17, 256,021.97 and 58,376.43

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Solution

The fourth proportional to 170,686.17, 256,021.97 and 58,376.43 is: 87,562.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,686.17 : 256,021.97 = 58,376.43 : x
  2. Step 2: Convert to fraction form
    170,686.17/256,021.97 = 58,376.43/x
  3. Step 3: Cross multiply
    170,686.17x = 256,021.97 × 58,376.43
  4. Step 4: Simplify right side
    170,686.17x = 14,945,648,318.29
  5. Step 5: Solve for x
    x = 14,945,648,318.29/170,686.17
  6. Step 6: Final answer
    x = 87,562.15

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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.