Home / 159,182.06-219,668.90-87,557.81

Finding the Fourth Proportional to 159,182.06, 219,668.90 and 87,557.81

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Solution

The fourth proportional to 159,182.06, 219,668.90 and 87,557.81 is: 120,828.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,182.06 : 219,668.90 = 87,557.81 : x
  2. Step 2: Convert to fraction form
    159,182.06/219,668.90 = 87,557.81/x
  3. Step 3: Cross multiply
    159,182.06x = 219,668.90 × 87,557.81
  4. Step 4: Simplify right side
    159,182.06x = 19,233,726,272.98
  5. Step 5: Solve for x
    x = 19,233,726,272.98/159,182.06
  6. Step 6: Final answer
    x = 120,828.48

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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.