Home / 202,202.08-279,037.11-111,558.85

Finding the Fourth Proportional to 202,202.08, 279,037.11 and 111,558.85

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Solution

The fourth proportional to 202,202.08, 279,037.11 and 111,558.85 is: 153,950.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,202.08 : 279,037.11 = 111,558.85 : x
  2. Step 2: Convert to fraction form
    202,202.08/279,037.11 = 111,558.85/x
  3. Step 3: Cross multiply
    202,202.08x = 279,037.11 × 111,558.85
  4. Step 4: Simplify right side
    202,202.08x = 31,129,059,098.92
  5. Step 5: Solve for x
    x = 31,129,059,098.92/202,202.08
  6. Step 6: Final answer
    x = 153,950.24

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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.