Home / 159,525.63-220,150.08-87,910.25

Finding the Fourth Proportional to 159,525.63, 220,150.08 and 87,910.25

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Solution

The fourth proportional to 159,525.63, 220,150.08 and 87,910.25 is: 121,318.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,525.63 : 220,150.08 = 87,910.25 : x
  2. Step 2: Convert to fraction form
    159,525.63/220,150.08 = 87,910.25/x
  3. Step 3: Cross multiply
    159,525.63x = 220,150.08 × 87,910.25
  4. Step 4: Simplify right side
    159,525.63x = 19,353,447,469.57
  5. Step 5: Solve for x
    x = 19,353,447,469.57/159,525.63
  6. Step 6: Final answer
    x = 121,318.73

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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.