Home / 199,098.72-275,025-159,093.12

Finding the Fourth Proportional to 199,098.72, 275,025 and 159,093.12

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Solution

The fourth proportional to 199,098.72, 275,025 and 159,093.12 is: 219,763.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,098.72 : 275,025 = 159,093.12 : x
  2. Step 2: Convert to fraction form
    199,098.72/275,025 = 159,093.12/x
  3. Step 3: Cross multiply
    199,098.72x = 275,025 × 159,093.12
  4. Step 4: Simplify right side
    199,098.72x = 43,754,585,328
  5. Step 5: Solve for x
    x = 43,754,585,328/199,098.72
  6. Step 6: Final answer
    x = 219,763.27

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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.