Home / 170,079.75-255,130.16-51,759.81

Finding the Fourth Proportional to 170,079.75, 255,130.16 and 51,759.81

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Solution

The fourth proportional to 170,079.75, 255,130.16 and 51,759.81 is: 77,642.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,079.75 : 255,130.16 = 51,759.81 : x
  2. Step 2: Convert to fraction form
    170,079.75/255,130.16 = 51,759.81/x
  3. Step 3: Cross multiply
    170,079.75x = 255,130.16 × 51,759.81
  4. Step 4: Simplify right side
    170,079.75x = 13,205,488,348.07
  5. Step 5: Solve for x
    x = 13,205,488,348.07/170,079.75
  6. Step 6: Final answer
    x = 77,642.92

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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.