Home / 202,553.60-279,526.89-111,911.66

Finding the Fourth Proportional to 202,553.60, 279,526.89 and 111,911.66

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Solution

The fourth proportional to 202,553.60, 279,526.89 and 111,911.66 is: 154,439.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,553.60 : 279,526.89 = 111,911.66 : x
  2. Step 2: Convert to fraction form
    202,553.60/279,526.89 = 111,911.66/x
  3. Step 3: Cross multiply
    202,553.60x = 279,526.89 × 111,911.66
  4. Step 4: Simplify right side
    202,553.60x = 31,282,318,274.54
  5. Step 5: Solve for x
    x = 31,282,318,274.54/202,553.60
  6. Step 6: Final answer
    x = 154,439.71

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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.