Home / 303,834.40-419,301.84-190,719.52

Finding the Fourth Proportional to 303,834.40, 419,301.84 and 190,719.52

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Solution

The fourth proportional to 303,834.40, 419,301.84 and 190,719.52 is: 263,199.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,834.40 : 419,301.84 = 190,719.52 : x
  2. Step 2: Convert to fraction form
    303,834.40/419,301.84 = 190,719.52/x
  3. Step 3: Cross multiply
    303,834.40x = 419,301.84 × 190,719.52
  4. Step 4: Simplify right side
    303,834.40x = 79,969,045,659.92
  5. Step 5: Solve for x
    x = 79,969,045,659.92/303,834.40
  6. Step 6: Final answer
    x = 263,199.45

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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.