Home / 182,077.85-251,177.19-121,667.45

Finding the Fourth Proportional to 182,077.85, 251,177.19 and 121,667.45

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Solution

The fourth proportional to 182,077.85, 251,177.19 and 121,667.45 is: 167,840.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,077.85 : 251,177.19 = 121,667.45 : x
  2. Step 2: Convert to fraction form
    182,077.85/251,177.19 = 121,667.45/x
  3. Step 3: Cross multiply
    182,077.85x = 251,177.19 × 121,667.45
  4. Step 4: Simplify right side
    182,077.85x = 30,560,086,493.33
  5. Step 5: Solve for x
    x = 30,560,086,493.33/182,077.85
  6. Step 6: Final answer
    x = 167,840.77

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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.