Home / 303,180.51-455,086.19-223,308.66

Finding the Fourth Proportional to 303,180.51, 455,086.19 and 223,308.66

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Solution

The fourth proportional to 303,180.51, 455,086.19 and 223,308.66 is: 335,195.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,180.51 : 455,086.19 = 223,308.66 : x
  2. Step 2: Convert to fraction form
    303,180.51/455,086.19 = 223,308.66/x
  3. Step 3: Cross multiply
    303,180.51x = 455,086.19 × 223,308.66
  4. Step 4: Simplify right side
    303,180.51x = 101,624,686,715.13
  5. Step 5: Solve for x
    x = 101,624,686,715.13/303,180.51
  6. Step 6: Final answer
    x = 335,195.32

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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.