Home / 197,721.04-272,855.10-108,297.04

Finding the Fourth Proportional to 197,721.04, 272,855.10 and 108,297.04

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Solution

The fourth proportional to 197,721.04, 272,855.10 and 108,297.04 is: 149,449.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,721.04 : 272,855.10 = 108,297.04 : x
  2. Step 2: Convert to fraction form
    197,721.04/272,855.10 = 108,297.04/x
  3. Step 3: Cross multiply
    197,721.04x = 272,855.10 × 108,297.04
  4. Step 4: Simplify right side
    197,721.04x = 29,549,399,678.90
  5. Step 5: Solve for x
    x = 29,549,399,678.90/197,721.04
  6. Step 6: Final answer
    x = 149,449.95

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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.