Home / 167,581.81-251,434.68-77,667.41

Finding the Fourth Proportional to 167,581.81, 251,434.68 and 77,667.41

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Solution

The fourth proportional to 167,581.81, 251,434.68 and 77,667.41 is: 116,529.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,581.81 : 251,434.68 = 77,667.41 : x
  2. Step 2: Convert to fraction form
    167,581.81/251,434.68 = 77,667.41/x
  3. Step 3: Cross multiply
    167,581.81x = 251,434.68 × 77,667.41
  4. Step 4: Simplify right side
    167,581.81x = 19,528,279,739.67
  5. Step 5: Solve for x
    x = 19,528,279,739.67/167,581.81
  6. Step 6: Final answer
    x = 116,529.83

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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.