Home / 387,727.72-535,092.42-236,853.16

Finding the Fourth Proportional to 387,727.72, 535,092.42 and 236,853.16

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Solution

The fourth proportional to 387,727.72, 535,092.42 and 236,853.16 is: 326,874.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,727.72 : 535,092.42 = 236,853.16 : x
  2. Step 2: Convert to fraction form
    387,727.72/535,092.42 = 236,853.16/x
  3. Step 3: Cross multiply
    387,727.72x = 535,092.42 × 236,853.16
  4. Step 4: Simplify right side
    387,727.72x = 126,738,330,569.05
  5. Step 5: Solve for x
    x = 126,738,330,569.05/387,727.72
  6. Step 6: Final answer
    x = 326,874.57

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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.