Home / 159,083.10-219,536.16-87,463.62

Finding the Fourth Proportional to 159,083.10, 219,536.16 and 87,463.62

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Solution

The fourth proportional to 159,083.10, 219,536.16 and 87,463.62 is: 120,700.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,083.10 : 219,536.16 = 87,463.62 : x
  2. Step 2: Convert to fraction form
    159,083.10/219,536.16 = 87,463.62/x
  3. Step 3: Cross multiply
    159,083.10x = 219,536.16 × 87,463.62
  4. Step 4: Simplify right side
    159,083.10x = 19,201,427,274.50
  5. Step 5: Solve for x
    x = 19,201,427,274.50/159,083.10
  6. Step 6: Final answer
    x = 120,700.61

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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.