Home / 135,560.01-187,067.72-75,131.69

Finding the Fourth Proportional to 135,560.01, 187,067.72 and 75,131.69

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Solution

The fourth proportional to 135,560.01, 187,067.72 and 75,131.69 is: 103,678.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,560.01 : 187,067.72 = 75,131.69 : x
  2. Step 2: Convert to fraction form
    135,560.01/187,067.72 = 75,131.69/x
  3. Step 3: Cross multiply
    135,560.01x = 187,067.72 × 75,131.69
  4. Step 4: Simplify right side
    135,560.01x = 14,054,712,637.05
  5. Step 5: Solve for x
    x = 14,054,712,637.05/135,560.01
  6. Step 6: Final answer
    x = 103,678.90

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1.5x scale

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.