Home / 196,765.02-271,535.76-111,887.28

Finding the Fourth Proportional to 196,765.02, 271,535.76 and 111,887.28

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Solution

The fourth proportional to 196,765.02, 271,535.76 and 111,887.28 is: 154,404.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,765.02 : 271,535.76 = 111,887.28 : x
  2. Step 2: Convert to fraction form
    196,765.02/271,535.76 = 111,887.28/x
  3. Step 3: Cross multiply
    196,765.02x = 271,535.76 × 111,887.28
  4. Step 4: Simplify right side
    196,765.02x = 30,381,397,609.13
  5. Step 5: Solve for x
    x = 30,381,397,609.13/196,765.02
  6. Step 6: Final answer
    x = 154,404.46

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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.