Home / 101,518.11-151,550.60-88,235.73

Finding the Fourth Proportional to 101,518.11, 151,550.60 and 88,235.73

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Solution

The fourth proportional to 101,518.11, 151,550.60 and 88,235.73 is: 131,722.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,518.11 : 151,550.60 = 88,235.73 : x
  2. Step 2: Convert to fraction form
    101,518.11/151,550.60 = 88,235.73/x
  3. Step 3: Cross multiply
    101,518.11x = 151,550.60 × 88,235.73
  4. Step 4: Simplify right side
    101,518.11x = 13,372,177,381.76
  5. Step 5: Solve for x
    x = 13,372,177,381.76/101,518.11
  6. Step 6: Final answer
    x = 131,722.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.