Home / 125,161.64-187,743.08-31,667.48

Finding the Fourth Proportional to 125,161.64, 187,743.08 and 31,667.48

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Solution

The fourth proportional to 125,161.64, 187,743.08 and 31,667.48 is: 47,501.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,161.64 : 187,743.08 = 31,667.48 : x
  2. Step 2: Convert to fraction form
    125,161.64/187,743.08 = 31,667.48/x
  3. Step 3: Cross multiply
    125,161.64x = 187,743.08 × 31,667.48
  4. Step 4: Simplify right side
    125,161.64x = 5,945,350,231.04
  5. Step 5: Solve for x
    x = 5,945,350,231.04/125,161.64
  6. Step 6: Final answer
    x = 47,501.38

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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.