Home / 195,578.64-269,889.14-120,112.56

Finding the Fourth Proportional to 195,578.64, 269,889.14 and 120,112.56

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Solution

The fourth proportional to 195,578.64, 269,889.14 and 120,112.56 is: 165,749.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,578.64 : 269,889.14 = 120,112.56 : x
  2. Step 2: Convert to fraction form
    195,578.64/269,889.14 = 120,112.56/x
  3. Step 3: Cross multiply
    195,578.64x = 269,889.14 × 120,112.56
  4. Step 4: Simplify right side
    195,578.64x = 32,417,075,521.60
  5. Step 5: Solve for x
    x = 32,417,075,521.60/195,578.64
  6. Step 6: Final answer
    x = 165,749.57

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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.