Home / 161,786.61-223,266.27-93,843.81

Finding the Fourth Proportional to 161,786.61, 223,266.27 and 93,843.81

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Solution

The fourth proportional to 161,786.61, 223,266.27 and 93,843.81 is: 129,504.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,786.61 : 223,266.27 = 93,843.81 : x
  2. Step 2: Convert to fraction form
    161,786.61/223,266.27 = 93,843.81/x
  3. Step 3: Cross multiply
    161,786.61x = 223,266.27 × 93,843.81
  4. Step 4: Simplify right side
    161,786.61x = 20,952,157,421.29
  5. Step 5: Solve for x
    x = 20,952,157,421.29/161,786.61
  6. Step 6: Final answer
    x = 129,504.89

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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.