Home / 196,900.16-295,165.92-109,163.84

Finding the Fourth Proportional to 196,900.16, 295,165.92 and 109,163.84

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Solution

The fourth proportional to 196,900.16, 295,165.92 and 109,163.84 is: 163,643.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,900.16 : 295,165.92 = 109,163.84 : x
  2. Step 2: Convert to fraction form
    196,900.16/295,165.92 = 109,163.84/x
  3. Step 3: Cross multiply
    196,900.16x = 295,165.92 × 109,163.84
  4. Step 4: Simplify right side
    196,900.16x = 32,221,445,264.33
  5. Step 5: Solve for x
    x = 32,221,445,264.33/196,900.16
  6. Step 6: Final answer
    x = 163,643.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.