Home / 268,727.76-370,836.23-147,869.28

Finding the Fourth Proportional to 268,727.76, 370,836.23 and 147,869.28

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Solution

The fourth proportional to 268,727.76, 370,836.23 and 147,869.28 is: 204,055.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,727.76 : 370,836.23 = 147,869.28 : x
  2. Step 2: Convert to fraction form
    268,727.76/370,836.23 = 147,869.28/x
  3. Step 3: Cross multiply
    268,727.76x = 370,836.23 × 147,869.28
  4. Step 4: Simplify right side
    268,727.76x = 54,835,285,588.67
  5. Step 5: Solve for x
    x = 54,835,285,588.67/268,727.76
  6. Step 6: Final answer
    x = 204,055.16

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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.