Home / 226,721.10-340,081.65-191,729.10

Finding the Fourth Proportional to 226,721.10, 340,081.65 and 191,729.10

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Solution

The fourth proportional to 226,721.10, 340,081.65 and 191,729.10 is: 287,593.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,721.10 : 340,081.65 = 191,729.10 : x
  2. Step 2: Convert to fraction form
    226,721.10/340,081.65 = 191,729.10/x
  3. Step 3: Cross multiply
    226,721.10x = 340,081.65 × 191,729.10
  4. Step 4: Simplify right side
    226,721.10x = 65,203,548,681.02
  5. Step 5: Solve for x
    x = 65,203,548,681.02/226,721.10
  6. Step 6: Final answer
    x = 287,593.65

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1.5x scale

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.