Home / 196,645.81-271,362.52-120,293.09

Finding the Fourth Proportional to 196,645.81, 271,362.52 and 120,293.09

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Solution

The fourth proportional to 196,645.81, 271,362.52 and 120,293.09 is: 165,999.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,645.81 : 271,362.52 = 120,293.09 : x
  2. Step 2: Convert to fraction form
    196,645.81/271,362.52 = 120,293.09/x
  3. Step 3: Cross multiply
    196,645.81x = 271,362.52 × 120,293.09
  4. Step 4: Simplify right side
    196,645.81x = 32,643,036,040.99
  5. Step 5: Solve for x
    x = 32,643,036,040.99/196,645.81
  6. Step 6: Final answer
    x = 165,999.14

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1.5x scale

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.