Home / 202,144.30-278,954.24-111,498.30

Finding the Fourth Proportional to 202,144.30, 278,954.24 and 111,498.30

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Solution

The fourth proportional to 202,144.30, 278,954.24 and 111,498.30 is: 153,864.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,144.30 : 278,954.24 = 111,498.30 : x
  2. Step 2: Convert to fraction form
    202,144.30/278,954.24 = 111,498.30/x
  3. Step 3: Cross multiply
    202,144.30x = 278,954.24 × 111,498.30
  4. Step 4: Simplify right side
    202,144.30x = 31,102,922,980.30
  5. Step 5: Solve for x
    x = 31,102,922,980.30/202,144.30
  6. Step 6: Final answer
    x = 153,864.95

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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.