Home / 161,952.20-223,433.78-93,931.02

Finding the Fourth Proportional to 161,952.20, 223,433.78 and 93,931.02

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Solution

The fourth proportional to 161,952.20, 223,433.78 and 93,931.02 is: 129,589.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,952.20 : 223,433.78 = 93,931.02 : x
  2. Step 2: Convert to fraction form
    161,952.20/223,433.78 = 93,931.02/x
  3. Step 3: Cross multiply
    161,952.20x = 223,433.78 × 93,931.02
  4. Step 4: Simplify right side
    161,952.20x = 20,987,362,857.86
  5. Step 5: Solve for x
    x = 20,987,362,857.86/161,952.20
  6. Step 6: Final answer
    x = 129,589.86

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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.