Home / 407,136.43-561,851.39-223,373.77

Finding the Fourth Proportional to 407,136.43, 561,851.39 and 223,373.77

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Solution

The fourth proportional to 407,136.43, 561,851.39 and 223,373.77 is: 308,257.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,136.43 : 561,851.39 = 223,373.77 : x
  2. Step 2: Convert to fraction form
    407,136.43/561,851.39 = 223,373.77/x
  3. Step 3: Cross multiply
    407,136.43x = 561,851.39 × 223,373.77
  4. Step 4: Simplify right side
    407,136.43x = 125,502,863,164.04
  5. Step 5: Solve for x
    x = 125,502,863,164.04/407,136.43
  6. Step 6: Final answer
    x = 308,257.51

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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.