Home / 170,112.92-255,206.30-51,781.19

Finding the Fourth Proportional to 170,112.92, 255,206.30 and 51,781.19

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Solution

The fourth proportional to 170,112.92, 255,206.30 and 51,781.19 is: 77,683.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,112.92 : 255,206.30 = 51,781.19 : x
  2. Step 2: Convert to fraction form
    170,112.92/255,206.30 = 51,781.19/x
  3. Step 3: Cross multiply
    170,112.92x = 255,206.30 × 51,781.19
  4. Step 4: Simplify right side
    170,112.92x = 13,214,884,374.56
  5. Step 5: Solve for x
    x = 13,214,884,374.56/170,112.92
  6. Step 6: Final answer
    x = 77,683.02

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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.