Home / 288,932.68-433,418.03-75,705.81

Finding the Fourth Proportional to 288,932.68, 433,418.03 and 75,705.81

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Solution

The fourth proportional to 288,932.68, 433,418.03 and 75,705.81 is: 113,563.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,932.68 : 433,418.03 = 75,705.81 : x
  2. Step 2: Convert to fraction form
    288,932.68/433,418.03 = 75,705.81/x
  3. Step 3: Cross multiply
    288,932.68x = 433,418.03 × 75,705.81
  4. Step 4: Simplify right side
    288,932.68x = 32,812,263,029.75
  5. Step 5: Solve for x
    x = 32,812,263,029.75/288,932.68
  6. Step 6: Final answer
    x = 113,563.70

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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.