Home / 159,853.54-220,518.26-111,556.75

Finding the Fourth Proportional to 159,853.54, 220,518.26 and 111,556.75

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Solution

The fourth proportional to 159,853.54, 220,518.26 and 111,556.75 is: 153,892.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,853.54 : 220,518.26 = 111,556.75 : x
  2. Step 2: Convert to fraction form
    159,853.54/220,518.26 = 111,556.75/x
  3. Step 3: Cross multiply
    159,853.54x = 220,518.26 × 111,556.75
  4. Step 4: Simplify right side
    159,853.54x = 24,600,299,298.66
  5. Step 5: Solve for x
    x = 24,600,299,298.66/159,853.54
  6. Step 6: Final answer
    x = 153,892.74

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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.