Home / 193,527.28-290,309.24-75,207.76

Finding the Fourth Proportional to 193,527.28, 290,309.24 and 75,207.76

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Solution

The fourth proportional to 193,527.28, 290,309.24 and 75,207.76 is: 112,818.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,527.28 : 290,309.24 = 75,207.76 : x
  2. Step 2: Convert to fraction form
    193,527.28/290,309.24 = 75,207.76/x
  3. Step 3: Cross multiply
    193,527.28x = 290,309.24 × 75,207.76
  4. Step 4: Simplify right side
    193,527.28x = 21,833,507,647.70
  5. Step 5: Solve for x
    x = 21,833,507,647.70/193,527.28
  6. Step 6: Final answer
    x = 112,818.76

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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.