Home / 297,970.13-411,198.78-163,834.13

Finding the Fourth Proportional to 297,970.13, 411,198.78 and 163,834.13

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Solution

The fourth proportional to 297,970.13, 411,198.78 and 163,834.13 is: 226,091.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,970.13 : 411,198.78 = 163,834.13 : x
  2. Step 2: Convert to fraction form
    297,970.13/411,198.78 = 163,834.13/x
  3. Step 3: Cross multiply
    297,970.13x = 411,198.78 × 163,834.13
  4. Step 4: Simplify right side
    297,970.13x = 67,368,392,322.37
  5. Step 5: Solve for x
    x = 67,368,392,322.37/297,970.13
  6. Step 6: Final answer
    x = 226,091.10

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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.