Home / 202,353.11-279,249.56-111,709.13

Finding the Fourth Proportional to 202,353.11, 279,249.56 and 111,709.13

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Solution

The fourth proportional to 202,353.11, 279,249.56 and 111,709.13 is: 154,159.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,353.11 : 279,249.56 = 111,709.13 : x
  2. Step 2: Convert to fraction form
    202,353.11/279,249.56 = 111,709.13/x
  3. Step 3: Cross multiply
    202,353.11x = 279,249.56 × 111,709.13
  4. Step 4: Simplify right side
    202,353.11x = 31,194,725,400.48
  5. Step 5: Solve for x
    x = 31,194,725,400.48/202,353.11
  6. Step 6: Final answer
    x = 154,159.85

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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.