Home / 167,261.70-231,152.97-136,999.10

Finding the Fourth Proportional to 167,261.70, 231,152.97 and 136,999.10

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Solution

The fourth proportional to 167,261.70, 231,152.97 and 136,999.10 is: 189,330.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,261.70 : 231,152.97 = 136,999.10 : x
  2. Step 2: Convert to fraction form
    167,261.70/231,152.97 = 136,999.10/x
  3. Step 3: Cross multiply
    167,261.70x = 231,152.97 × 136,999.10
  4. Step 4: Simplify right side
    167,261.70x = 31,667,748,852.33
  5. Step 5: Solve for x
    x = 31,667,748,852.33/167,261.70
  6. Step 6: Final answer
    x = 189,330.55

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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.