Home / 361,214.90-541,444.06-121,269.91

Finding the Fourth Proportional to 361,214.90, 541,444.06 and 121,269.91

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Solution

The fourth proportional to 361,214.90, 541,444.06 and 121,269.91 is: 181,777.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,214.90 : 541,444.06 = 121,269.91 : x
  2. Step 2: Convert to fraction form
    361,214.90/541,444.06 = 121,269.91/x
  3. Step 3: Cross multiply
    361,214.90x = 541,444.06 × 121,269.91
  4. Step 4: Simplify right side
    361,214.90x = 65,660,869,719.01
  5. Step 5: Solve for x
    x = 65,660,869,719.01/361,214.90
  6. Step 6: Final answer
    x = 181,777.86

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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.