Home / 125,233.94-187,539.26-87,618.01

Finding the Fourth Proportional to 125,233.94, 187,539.26 and 87,618.01

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Solution

The fourth proportional to 125,233.94, 187,539.26 and 87,618.01 is: 131,208.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,233.94 : 187,539.26 = 87,618.01 : x
  2. Step 2: Convert to fraction form
    125,233.94/187,539.26 = 87,618.01/x
  3. Step 3: Cross multiply
    125,233.94x = 187,539.26 × 87,618.01
  4. Step 4: Simplify right side
    125,233.94x = 16,431,816,758.07
  5. Step 5: Solve for x
    x = 16,431,816,758.07/125,233.94
  6. Step 6: Final answer
    x = 131,208.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.