Home / 135,560.26-187,068.07-75,131.93

Finding the Fourth Proportional to 135,560.26, 187,068.07 and 75,131.93

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Solution

The fourth proportional to 135,560.26, 187,068.07 and 75,131.93 is: 103,679.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,560.26 : 187,068.07 = 75,131.93 : x
  2. Step 2: Convert to fraction form
    135,560.26/187,068.07 = 75,131.93/x
  3. Step 3: Cross multiply
    135,560.26x = 187,068.07 × 75,131.93
  4. Step 4: Simplify right side
    135,560.26x = 14,054,784,764.82
  5. Step 5: Solve for x
    x = 14,054,784,764.82/135,560.26
  6. Step 6: Final answer
    x = 103,679.24

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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.