Home / 346,794.20-520,061.70-136,388.60

Finding the Fourth Proportional to 346,794.20, 520,061.70 and 136,388.60

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Solution

The fourth proportional to 346,794.20, 520,061.70 and 136,388.60 is: 204,531.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,794.20 : 520,061.70 = 136,388.60 : x
  2. Step 2: Convert to fraction form
    346,794.20/520,061.70 = 136,388.60/x
  3. Step 3: Cross multiply
    346,794.20x = 520,061.70 × 136,388.60
  4. Step 4: Simplify right side
    346,794.20x = 70,930,487,176.62
  5. Step 5: Solve for x
    x = 70,930,487,176.62/346,794.20
  6. Step 6: Final answer
    x = 204,531.93

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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.