Home / 414,275.28-621,543.48-148,029.84

Finding the Fourth Proportional to 414,275.28, 621,543.48 and 148,029.84

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Solution

The fourth proportional to 414,275.28, 621,543.48 and 148,029.84 is: 222,091.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,275.28 : 621,543.48 = 148,029.84 : x
  2. Step 2: Convert to fraction form
    414,275.28/621,543.48 = 148,029.84/x
  3. Step 3: Cross multiply
    414,275.28x = 621,543.48 × 148,029.84
  4. Step 4: Simplify right side
    414,275.28x = 92,006,981,897.44
  5. Step 5: Solve for x
    x = 92,006,981,897.44/414,275.28
  6. Step 6: Final answer
    x = 222,091.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.