Home / 195,569.12-269,876.04-120,103.04

Finding the Fourth Proportional to 195,569.12, 269,876.04 and 120,103.04

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Solution

The fourth proportional to 195,569.12, 269,876.04 and 120,103.04 is: 165,736.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,569.12 : 269,876.04 = 120,103.04 : x
  2. Step 2: Convert to fraction form
    195,569.12/269,876.04 = 120,103.04/x
  3. Step 3: Cross multiply
    195,569.12x = 269,876.04 × 120,103.04
  4. Step 4: Simplify right side
    195,569.12x = 32,412,931,477.78
  5. Step 5: Solve for x
    x = 32,412,931,477.78/195,569.12
  6. Step 6: Final answer
    x = 165,736.45

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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.