Home / 196,703.18-271,449.14-111,820.26

Finding the Fourth Proportional to 196,703.18, 271,449.14 and 111,820.26

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Solution

The fourth proportional to 196,703.18, 271,449.14 and 111,820.26 is: 154,311.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,703.18 : 271,449.14 = 111,820.26 : x
  2. Step 2: Convert to fraction form
    196,703.18/271,449.14 = 111,820.26/x
  3. Step 3: Cross multiply
    196,703.18x = 271,449.14 × 111,820.26
  4. Step 4: Simplify right side
    196,703.18x = 30,353,513,411.58
  5. Step 5: Solve for x
    x = 30,353,513,411.58/196,703.18
  6. Step 6: Final answer
    x = 154,311.25

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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.