Home / 240,338.13-358,939.39-204,416.66

Finding the Fourth Proportional to 240,338.13, 358,939.39 and 204,416.66

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Solution

The fourth proportional to 240,338.13, 358,939.39 and 204,416.66 is: 305,291.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,338.13 : 358,939.39 = 204,416.66 : x
  2. Step 2: Convert to fraction form
    240,338.13/358,939.39 = 204,416.66/x
  3. Step 3: Cross multiply
    240,338.13x = 358,939.39 × 204,416.66
  4. Step 4: Simplify right side
    240,338.13x = 73,373,189,451.54
  5. Step 5: Solve for x
    x = 73,373,189,451.54/240,338.13
  6. Step 6: Final answer
    x = 305,291.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.