Home / 135,570.35-187,098.28-75,159.94

Finding the Fourth Proportional to 135,570.35, 187,098.28 and 75,159.94

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Solution

The fourth proportional to 135,570.35, 187,098.28 and 75,159.94 is: 103,726.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,570.35 : 187,098.28 = 75,159.94 : x
  2. Step 2: Convert to fraction form
    135,570.35/187,098.28 = 75,159.94/x
  3. Step 3: Cross multiply
    135,570.35x = 187,098.28 × 75,159.94
  4. Step 4: Simplify right side
    135,570.35x = 14,062,295,544.88
  5. Step 5: Solve for x
    x = 14,062,295,544.88/135,570.35
  6. Step 6: Final answer
    x = 103,726.93

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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.