Home / 137,882.04-190,297.79-84,198.18

Finding the Fourth Proportional to 137,882.04, 190,297.79 and 84,198.18

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Solution

The fourth proportional to 137,882.04, 190,297.79 and 84,198.18 is: 116,206.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,882.04 : 190,297.79 = 84,198.18 : x
  2. Step 2: Convert to fraction form
    137,882.04/190,297.79 = 84,198.18/x
  3. Step 3: Cross multiply
    137,882.04x = 190,297.79 × 84,198.18
  4. Step 4: Simplify right side
    137,882.04x = 16,022,727,155.03
  5. Step 5: Solve for x
    x = 16,022,727,155.03/137,882.04
  6. Step 6: Final answer
    x = 116,206.05

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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.