Home / 638,052.20-957,024.30-194,820.20

Finding the Fourth Proportional to 638,052.20, 957,024.30 and 194,820.20

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Solution

The fourth proportional to 638,052.20, 957,024.30 and 194,820.20 is: 292,213.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,052.20 : 957,024.30 = 194,820.20 : x
  2. Step 2: Convert to fraction form
    638,052.20/957,024.30 = 194,820.20/x
  3. Step 3: Cross multiply
    638,052.20x = 957,024.30 × 194,820.20
  4. Step 4: Simplify right side
    638,052.20x = 186,447,665,530.86
  5. Step 5: Solve for x
    x = 186,447,665,530.86/638,052.20
  6. Step 6: Final answer
    x = 292,213.81

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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.