Home / 202,105.91-278,900.14-111,461.82

Finding the Fourth Proportional to 202,105.91, 278,900.14 and 111,461.82

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Solution

The fourth proportional to 202,105.91, 278,900.14 and 111,461.82 is: 153,813.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,105.91 : 278,900.14 = 111,461.82 : x
  2. Step 2: Convert to fraction form
    202,105.91/278,900.14 = 111,461.82/x
  3. Step 3: Cross multiply
    202,105.91x = 278,900.14 × 111,461.82
  4. Step 4: Simplify right side
    202,105.91x = 31,086,717,342.44
  5. Step 5: Solve for x
    x = 31,086,717,342.44/202,105.91
  6. Step 6: Final answer
    x = 153,813.99

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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.