Home / 356,453.04-534,637.94-143,212.32

Finding the Fourth Proportional to 356,453.04, 534,637.94 and 143,212.32

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Solution

The fourth proportional to 356,453.04, 534,637.94 and 143,212.32 is: 214,801.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,453.04 : 534,637.94 = 143,212.32 : x
  2. Step 2: Convert to fraction form
    356,453.04/534,637.94 = 143,212.32/x
  3. Step 3: Cross multiply
    356,453.04x = 534,637.94 × 143,212.32
  4. Step 4: Simplify right side
    356,453.04x = 76,566,739,747.42
  5. Step 5: Solve for x
    x = 76,566,739,747.42/356,453.04
  6. Step 6: Final answer
    x = 214,801.76

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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.