Home / 159,184.37-219,680.22-87,569.84

Finding the Fourth Proportional to 159,184.37, 219,680.22 and 87,569.84

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Solution

The fourth proportional to 159,184.37, 219,680.22 and 87,569.84 is: 120,849.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,184.37 : 219,680.22 = 87,569.84 : x
  2. Step 2: Convert to fraction form
    159,184.37/219,680.22 = 87,569.84/x
  3. Step 3: Cross multiply
    159,184.37x = 219,680.22 × 87,569.84
  4. Step 4: Simplify right side
    159,184.37x = 19,237,360,618.16
  5. Step 5: Solve for x
    x = 19,237,360,618.16/159,184.37
  6. Step 6: Final answer
    x = 120,849.56

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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.