Home / 120,925.33-166,923.46-80,624.39

Finding the Fourth Proportional to 120,925.33, 166,923.46 and 80,624.39

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Solution

The fourth proportional to 120,925.33, 166,923.46 and 80,624.39 is: 111,292.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,925.33 : 166,923.46 = 80,624.39 : x
  2. Step 2: Convert to fraction form
    120,925.33/166,923.46 = 80,624.39/x
  3. Step 3: Cross multiply
    120,925.33x = 166,923.46 × 80,624.39
  4. Step 4: Simplify right side
    120,925.33x = 13,458,101,648.07
  5. Step 5: Solve for x
    x = 13,458,101,648.07/120,925.33
  6. Step 6: Final answer
    x = 111,292.66

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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.