Home / 196,388.01-271,015.64-111,505.07

Finding the Fourth Proportional to 196,388.01, 271,015.64 and 111,505.07

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Solution

The fourth proportional to 196,388.01, 271,015.64 and 111,505.07 is: 153,877.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,388.01 : 271,015.64 = 111,505.07 : x
  2. Step 2: Convert to fraction form
    196,388.01/271,015.64 = 111,505.07/x
  3. Step 3: Cross multiply
    196,388.01x = 271,015.64 × 111,505.07
  4. Step 4: Simplify right side
    196,388.01x = 30,219,617,909.29
  5. Step 5: Solve for x
    x = 30,219,617,909.29/196,388.01
  6. Step 6: Final answer
    x = 153,877.10

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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.