Home / 202,659.05-279,670.37-110,780.21

Finding the Fourth Proportional to 202,659.05, 279,670.37 and 110,780.21

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Solution

The fourth proportional to 202,659.05, 279,670.37 and 110,780.21 is: 152,877.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,659.05 : 279,670.37 = 110,780.21 : x
  2. Step 2: Convert to fraction form
    202,659.05/279,670.37 = 110,780.21/x
  3. Step 3: Cross multiply
    202,659.05x = 279,670.37 × 110,780.21
  4. Step 4: Simplify right side
    202,659.05x = 30,981,940,367.12
  5. Step 5: Solve for x
    x = 30,981,940,367.12/202,659.05
  6. Step 6: Final answer
    x = 152,877.17

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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.