Home / 202,028.97-278,798.79-111,384.57

Finding the Fourth Proportional to 202,028.97, 278,798.79 and 111,384.57

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Solution

The fourth proportional to 202,028.97, 278,798.79 and 111,384.57 is: 153,710.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,028.97 : 278,798.79 = 111,384.57 : x
  2. Step 2: Convert to fraction form
    202,028.97/278,798.79 = 111,384.57/x
  3. Step 3: Cross multiply
    202,028.97x = 278,798.79 × 111,384.57
  4. Step 4: Simplify right side
    202,028.97x = 31,053,883,340.67
  5. Step 5: Solve for x
    x = 31,053,883,340.67/202,028.97
  6. Step 6: Final answer
    x = 153,710.05

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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.