Home / 109,198.11-150,314.49-94,140.62

Finding the Fourth Proportional to 109,198.11, 150,314.49 and 94,140.62

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Solution

The fourth proportional to 109,198.11, 150,314.49 and 94,140.62 is: 129,587.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,198.11 : 150,314.49 = 94,140.62 : x
  2. Step 2: Convert to fraction form
    109,198.11/150,314.49 = 94,140.62/x
  3. Step 3: Cross multiply
    109,198.11x = 150,314.49 × 94,140.62
  4. Step 4: Simplify right side
    109,198.11x = 14,150,699,283.58
  5. Step 5: Solve for x
    x = 14,150,699,283.58/109,198.11
  6. Step 6: Final answer
    x = 129,587.40

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1.5x scale

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.