Home / 109,968.30-165,049.65-94,221.90

Finding the Fourth Proportional to 109,968.30, 165,049.65 and 94,221.90

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Solution

The fourth proportional to 109,968.30, 165,049.65 and 94,221.90 is: 141,416.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,968.30 : 165,049.65 = 94,221.90 : x
  2. Step 2: Convert to fraction form
    109,968.30/165,049.65 = 94,221.90/x
  3. Step 3: Cross multiply
    109,968.30x = 165,049.65 × 94,221.90
  4. Step 4: Simplify right side
    109,968.30x = 15,551,291,617.34
  5. Step 5: Solve for x
    x = 15,551,291,617.34/109,968.30
  6. Step 6: Final answer
    x = 141,416.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.