Home / 125,232.80-187,849.18-55,112.11

Finding the Fourth Proportional to 125,232.80, 187,849.18 and 55,112.11

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Solution

The fourth proportional to 125,232.80, 187,849.18 and 55,112.11 is: 82,668.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,232.80 : 187,849.18 = 55,112.11 : x
  2. Step 2: Convert to fraction form
    125,232.80/187,849.18 = 55,112.11/x
  3. Step 3: Cross multiply
    125,232.80x = 187,849.18 × 55,112.11
  4. Step 4: Simplify right side
    125,232.80x = 10,352,764,270.84
  5. Step 5: Solve for x
    x = 10,352,764,270.84/125,232.80
  6. Step 6: Final answer
    x = 82,668.16

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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.