Home / 135,801.26-187,402.92-75,368.36

Finding the Fourth Proportional to 135,801.26, 187,402.92 and 75,368.36

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Solution

The fourth proportional to 135,801.26, 187,402.92 and 75,368.36 is: 104,006.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,801.26 : 187,402.92 = 75,368.36 : x
  2. Step 2: Convert to fraction form
    135,801.26/187,402.92 = 75,368.36/x
  3. Step 3: Cross multiply
    135,801.26x = 187,402.92 × 75,368.36
  4. Step 4: Simplify right side
    135,801.26x = 14,124,250,739.61
  5. Step 5: Solve for x
    x = 14,124,250,739.61/135,801.26
  6. Step 6: Final answer
    x = 104,006.77

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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.