Home / 202,230.60-279,076.16-111,588.36

Finding the Fourth Proportional to 202,230.60, 279,076.16 and 111,588.36

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Solution

The fourth proportional to 202,230.60, 279,076.16 and 111,588.36 is: 153,990.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,230.60 : 279,076.16 = 111,588.36 : x
  2. Step 2: Convert to fraction form
    202,230.60/279,076.16 = 111,588.36/x
  3. Step 3: Cross multiply
    202,230.60x = 279,076.16 × 111,588.36
  4. Step 4: Simplify right side
    202,230.60x = 31,141,650,451.56
  5. Step 5: Solve for x
    x = 31,141,650,451.56/202,230.60
  6. Step 6: Final answer
    x = 153,990.79

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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.