Home / 109,371.90-163,620.45-94,743.30

Finding the Fourth Proportional to 109,371.90, 163,620.45 and 94,743.30

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Solution

The fourth proportional to 109,371.90, 163,620.45 and 94,743.30 is: 141,736.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,371.90 : 163,620.45 = 94,743.30 : x
  2. Step 2: Convert to fraction form
    109,371.90/163,620.45 = 94,743.30/x
  3. Step 3: Cross multiply
    109,371.90x = 163,620.45 × 94,743.30
  4. Step 4: Simplify right side
    109,371.90x = 15,501,941,380.49
  5. Step 5: Solve for x
    x = 15,501,941,380.49/109,371.90
  6. Step 6: Final answer
    x = 141,736.05

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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.