Home / 209,984.70-314,977.05-185,490.30

Finding the Fourth Proportional to 209,984.70, 314,977.05 and 185,490.30

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Solution

The fourth proportional to 209,984.70, 314,977.05 and 185,490.30 is: 278,235.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,984.70 : 314,977.05 = 185,490.30 : x
  2. Step 2: Convert to fraction form
    209,984.70/314,977.05 = 185,490.30/x
  3. Step 3: Cross multiply
    209,984.70x = 314,977.05 × 185,490.30
  4. Step 4: Simplify right side
    209,984.70x = 58,425,187,497.62
  5. Step 5: Solve for x
    x = 58,425,187,497.62/209,984.70
  6. Step 6: Final answer
    x = 278,235.45

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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.