Home / 397,232.20-596,078.70-147,939.40

Finding the Fourth Proportional to 397,232.20, 596,078.70 and 147,939.40

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Solution

The fourth proportional to 397,232.20, 596,078.70 and 147,939.40 is: 221,994.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,232.20 : 596,078.70 = 147,939.40 : x
  2. Step 2: Convert to fraction form
    397,232.20/596,078.70 = 147,939.40/x
  3. Step 3: Cross multiply
    397,232.20x = 596,078.70 × 147,939.40
  4. Step 4: Simplify right side
    397,232.20x = 88,183,525,230.78
  5. Step 5: Solve for x
    x = 88,183,525,230.78/397,232.20
  6. Step 6: Final answer
    x = 221,994.91

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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.