Home / 377,150.49-520,467.65-207,384.62

Finding the Fourth Proportional to 377,150.49, 520,467.65 and 207,384.62

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Solution

The fourth proportional to 377,150.49, 520,467.65 and 207,384.62 is: 286,190.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,150.49 : 520,467.65 = 207,384.62 : x
  2. Step 2: Convert to fraction form
    377,150.49/520,467.65 = 207,384.62/x
  3. Step 3: Cross multiply
    377,150.49x = 520,467.65 × 207,384.62
  4. Step 4: Simplify right side
    377,150.49x = 107,936,982,178.28
  5. Step 5: Solve for x
    x = 107,936,982,178.28/377,150.49
  6. Step 6: Final answer
    x = 286,190.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.