Home / 159,544.58-220,170.39-87,924.68

Finding the Fourth Proportional to 159,544.58, 220,170.39 and 87,924.68

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Solution

The fourth proportional to 159,544.58, 220,170.39 and 87,924.68 is: 121,335.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,544.58 : 220,170.39 = 87,924.68 : x
  2. Step 2: Convert to fraction form
    159,544.58/220,170.39 = 87,924.68/x
  3. Step 3: Cross multiply
    159,544.58x = 220,170.39 × 87,924.68
  4. Step 4: Simplify right side
    159,544.58x = 19,358,409,985.37
  5. Step 5: Solve for x
    x = 19,358,409,985.37/159,544.58
  6. Step 6: Final answer
    x = 121,335.43

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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.