Home / 219,227.43-302,519.57-123,721.14

Finding the Fourth Proportional to 219,227.43, 302,519.57 and 123,721.14

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Solution

The fourth proportional to 219,227.43, 302,519.57 and 123,721.14 is: 170,727.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,227.43 : 302,519.57 = 123,721.14 : x
  2. Step 2: Convert to fraction form
    219,227.43/302,519.57 = 123,721.14/x
  3. Step 3: Cross multiply
    219,227.43x = 302,519.57 × 123,721.14
  4. Step 4: Simplify right side
    219,227.43x = 37,428,065,454.10
  5. Step 5: Solve for x
    x = 37,428,065,454.10/219,227.43
  6. Step 6: Final answer
    x = 170,727.11

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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.