Home / 143,163.02-197,620.08-95,398.94

Finding the Fourth Proportional to 143,163.02, 197,620.08 and 95,398.94

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Solution

The fourth proportional to 143,163.02, 197,620.08 and 95,398.94 is: 131,687.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,163.02 : 197,620.08 = 95,398.94 : x
  2. Step 2: Convert to fraction form
    143,163.02/197,620.08 = 95,398.94/x
  3. Step 3: Cross multiply
    143,163.02x = 197,620.08 × 95,398.94
  4. Step 4: Simplify right side
    143,163.02x = 18,852,746,154.72
  5. Step 5: Solve for x
    x = 18,852,746,154.72/143,163.02
  6. Step 6: Final answer
    x = 131,687.26

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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.