Home / 195,579.43-269,890.28-120,113.35

Finding the Fourth Proportional to 195,579.43, 269,890.28 and 120,113.35

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Solution

The fourth proportional to 195,579.43, 269,890.28 and 120,113.35 is: 165,750.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,579.43 : 269,890.28 = 120,113.35 : x
  2. Step 2: Convert to fraction form
    195,579.43/269,890.28 = 120,113.35/x
  3. Step 3: Cross multiply
    195,579.43x = 269,890.28 × 120,113.35
  4. Step 4: Simplify right side
    195,579.43x = 32,417,424,838.37
  5. Step 5: Solve for x
    x = 32,417,424,838.37/195,579.43
  6. Step 6: Final answer
    x = 165,750.69

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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.