Home / 169,531.90-254,323.38-51,212.80

Finding the Fourth Proportional to 169,531.90, 254,323.38 and 51,212.80

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Solution

The fourth proportional to 169,531.90, 254,323.38 and 51,212.80 is: 76,826.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,531.90 : 254,323.38 = 51,212.80 : x
  2. Step 2: Convert to fraction form
    169,531.90/254,323.38 = 51,212.80/x
  3. Step 3: Cross multiply
    169,531.90x = 254,323.38 × 51,212.80
  4. Step 4: Simplify right side
    169,531.90x = 13,024,612,395.26
  5. Step 5: Solve for x
    x = 13,024,612,395.26/169,531.90
  6. Step 6: Final answer
    x = 76,826.91

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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.