Home / 167,684.76-231,327.22-99,663.59

Finding the Fourth Proportional to 167,684.76, 231,327.22 and 99,663.59

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Solution

The fourth proportional to 167,684.76, 231,327.22 and 99,663.59 is: 137,489.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,684.76 : 231,327.22 = 99,663.59 : x
  2. Step 2: Convert to fraction form
    167,684.76/231,327.22 = 99,663.59/x
  3. Step 3: Cross multiply
    167,684.76x = 231,327.22 × 99,663.59
  4. Step 4: Simplify right side
    167,684.76x = 23,054,901,209.92
  5. Step 5: Solve for x
    x = 23,054,901,209.92/167,684.76
  6. Step 6: Final answer
    x = 137,489.54

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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.