Home / 135,673.13-187,240.43-75,263.24

Finding the Fourth Proportional to 135,673.13, 187,240.43 and 75,263.24

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Solution

The fourth proportional to 135,673.13, 187,240.43 and 75,263.24 is: 103,869.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,673.13 : 187,240.43 = 75,263.24 : x
  2. Step 2: Convert to fraction form
    135,673.13/187,240.43 = 75,263.24/x
  3. Step 3: Cross multiply
    135,673.13x = 187,240.43 × 75,263.24
  4. Step 4: Simplify right side
    135,673.13x = 14,092,321,512.58
  5. Step 5: Solve for x
    x = 14,092,321,512.58/135,673.13
  6. Step 6: Final answer
    x = 103,869.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.