Home / 202,562.03-279,538.54-111,920.09

Finding the Fourth Proportional to 202,562.03, 279,538.54 and 111,920.09

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Solution

The fourth proportional to 202,562.03, 279,538.54 and 111,920.09 is: 154,451.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,562.03 : 279,538.54 = 111,920.09 : x
  2. Step 2: Convert to fraction form
    202,562.03/279,538.54 = 111,920.09/x
  3. Step 3: Cross multiply
    202,562.03x = 279,538.54 × 111,920.09
  4. Step 4: Simplify right side
    202,562.03x = 31,285,976,877.78
  5. Step 5: Solve for x
    x = 31,285,976,877.78/202,562.03
  6. Step 6: Final answer
    x = 154,451.34

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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.