Home / 167,644.86-231,160.95-122,242.74

Finding the Fourth Proportional to 167,644.86, 231,160.95 and 122,242.74

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Solution

The fourth proportional to 167,644.86, 231,160.95 and 122,242.74 is: 168,557.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,644.86 : 231,160.95 = 122,242.74 : x
  2. Step 2: Convert to fraction form
    167,644.86/231,160.95 = 122,242.74/x
  3. Step 3: Cross multiply
    167,644.86x = 231,160.95 × 122,242.74
  4. Step 4: Simplify right side
    167,644.86x = 28,257,747,909.00
  5. Step 5: Solve for x
    x = 28,257,747,909.00/167,644.86
  6. Step 6: Final answer
    x = 168,557.20

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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.