Home / 159,215.03-219,716.73-87,593.51

Finding the Fourth Proportional to 159,215.03, 219,716.73 and 87,593.51

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Solution

The fourth proportional to 159,215.03, 219,716.73 and 87,593.51 is: 120,879.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,215.03 : 219,716.73 = 87,593.51 : x
  2. Step 2: Convert to fraction form
    159,215.03/219,716.73 = 87,593.51/x
  3. Step 3: Cross multiply
    159,215.03x = 219,716.73 × 87,593.51
  4. Step 4: Simplify right side
    159,215.03x = 19,245,759,148.45
  5. Step 5: Solve for x
    x = 19,245,759,148.45/159,215.03
  6. Step 6: Final answer
    x = 120,879.04

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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.