Home / 135,560.82-187,075.26-75,132.80

Finding the Fourth Proportional to 135,560.82, 187,075.26 and 75,132.80

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Solution

The fourth proportional to 135,560.82, 187,075.26 and 75,132.80 is: 103,684.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,560.82 : 187,075.26 = 75,132.80 : x
  2. Step 2: Convert to fraction form
    135,560.82/187,075.26 = 75,132.80/x
  3. Step 3: Cross multiply
    135,560.82x = 187,075.26 × 75,132.80
  4. Step 4: Simplify right side
    135,560.82x = 14,055,488,094.53
  5. Step 5: Solve for x
    x = 14,055,488,094.53/135,560.82
  6. Step 6: Final answer
    x = 103,684.00

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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.