Home / 218,882.03-302,053.14-123,388.79

Finding the Fourth Proportional to 218,882.03, 302,053.14 and 123,388.79

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Solution

The fourth proportional to 218,882.03, 302,053.14 and 123,388.79 is: 170,274.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,882.03 : 302,053.14 = 123,388.79 : x
  2. Step 2: Convert to fraction form
    218,882.03/302,053.14 = 123,388.79/x
  3. Step 3: Cross multiply
    218,882.03x = 302,053.14 × 123,388.79
  4. Step 4: Simplify right side
    218,882.03x = 37,269,969,950.03
  5. Step 5: Solve for x
    x = 37,269,969,950.03/218,882.03
  6. Step 6: Final answer
    x = 170,274.24

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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.