Home / 159,217.03-219,716.39-87,598.25

Finding the Fourth Proportional to 159,217.03, 219,716.39 and 87,598.25

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Solution

The fourth proportional to 159,217.03, 219,716.39 and 87,598.25 is: 120,883.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,217.03 : 219,716.39 = 87,598.25 : x
  2. Step 2: Convert to fraction form
    159,217.03/219,716.39 = 87,598.25/x
  3. Step 3: Cross multiply
    159,217.03x = 219,716.39 × 87,598.25
  4. Step 4: Simplify right side
    159,217.03x = 19,246,770,547.68
  5. Step 5: Solve for x
    x = 19,246,770,547.68/159,217.03
  6. Step 6: Final answer
    x = 120,883.87

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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.