Home / 440,941.62-661,411.02-121,093.80

Finding the Fourth Proportional to 440,941.62, 661,411.02 and 121,093.80

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Solution

The fourth proportional to 440,941.62, 661,411.02 and 121,093.80 is: 181,640.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,941.62 : 661,411.02 = 121,093.80 : x
  2. Step 2: Convert to fraction form
    440,941.62/661,411.02 = 121,093.80/x
  3. Step 3: Cross multiply
    440,941.62x = 661,411.02 × 121,093.80
  4. Step 4: Simplify right side
    440,941.62x = 80,092,773,773.68
  5. Step 5: Solve for x
    x = 80,092,773,773.68/440,941.62
  6. Step 6: Final answer
    x = 181,640.31

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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.