Home / 348,044.20-522,066.30-214,491.40

Finding the Fourth Proportional to 348,044.20, 522,066.30 and 214,491.40

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Solution

The fourth proportional to 348,044.20, 522,066.30 and 214,491.40 is: 321,737.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,044.20 : 522,066.30 = 214,491.40 : x
  2. Step 2: Convert to fraction form
    348,044.20/522,066.30 = 214,491.40/x
  3. Step 3: Cross multiply
    348,044.20x = 522,066.30 × 214,491.40
  4. Step 4: Simplify right side
    348,044.20x = 111,978,731,579.82
  5. Step 5: Solve for x
    x = 111,978,731,579.82/348,044.20
  6. Step 6: Final answer
    x = 321,737.10

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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.