Home / 166,509.89-229,780.22-91,058.39

Finding the Fourth Proportional to 166,509.89, 229,780.22 and 91,058.39

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Solution

The fourth proportional to 166,509.89, 229,780.22 and 91,058.39 is: 125,658.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,509.89 : 229,780.22 = 91,058.39 : x
  2. Step 2: Convert to fraction form
    166,509.89/229,780.22 = 91,058.39/x
  3. Step 3: Cross multiply
    166,509.89x = 229,780.22 × 91,058.39
  4. Step 4: Simplify right side
    166,509.89x = 20,923,415,282.85
  5. Step 5: Solve for x
    x = 20,923,415,282.85/166,509.89
  6. Step 6: Final answer
    x = 125,658.70

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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.