Home / 161,605.28-223,003.08-89,971.52

Finding the Fourth Proportional to 161,605.28, 223,003.08 and 89,971.52

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Solution

The fourth proportional to 161,605.28, 223,003.08 and 89,971.52 is: 124,153.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,605.28 : 223,003.08 = 89,971.52 : x
  2. Step 2: Convert to fraction form
    161,605.28/223,003.08 = 89,971.52/x
  3. Step 3: Cross multiply
    161,605.28x = 223,003.08 × 89,971.52
  4. Step 4: Simplify right side
    161,605.28x = 20,063,926,072.28
  5. Step 5: Solve for x
    x = 20,063,926,072.28/161,605.28
  6. Step 6: Final answer
    x = 124,153.90

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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.