Home / 109,372.40-163,621.20-94,743.80

Finding the Fourth Proportional to 109,372.40, 163,621.20 and 94,743.80

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Solution

The fourth proportional to 109,372.40, 163,621.20 and 94,743.80 is: 141,736.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,372.40 : 163,621.20 = 94,743.80 : x
  2. Step 2: Convert to fraction form
    109,372.40/163,621.20 = 94,743.80/x
  3. Step 3: Cross multiply
    109,372.40x = 163,621.20 × 94,743.80
  4. Step 4: Simplify right side
    109,372.40x = 15,502,094,248.56
  5. Step 5: Solve for x
    x = 15,502,094,248.56/109,372.40
  6. Step 6: Final answer
    x = 141,736.80

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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.