Home / 167,641.86-231,156.81-122,239.74

Finding the Fourth Proportional to 167,641.86, 231,156.81 and 122,239.74

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Solution

The fourth proportional to 167,641.86, 231,156.81 and 122,239.74 is: 168,553.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,641.86 : 231,156.81 = 122,239.74 : x
  2. Step 2: Convert to fraction form
    167,641.86/231,156.81 = 122,239.74/x
  3. Step 3: Cross multiply
    167,641.86x = 231,156.81 × 122,239.74
  4. Step 4: Simplify right side
    167,641.86x = 28,256,548,353.63
  5. Step 5: Solve for x
    x = 28,256,548,353.63/167,641.86
  6. Step 6: Final answer
    x = 168,553.06

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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.