Home / 340,453.04-469,839.72-189,550

Finding the Fourth Proportional to 340,453.04, 469,839.72 and 189,550

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Solution

The fourth proportional to 340,453.04, 469,839.72 and 189,550 is: 261,587.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,453.04 : 469,839.72 = 189,550 : x
  2. Step 2: Convert to fraction form
    340,453.04/469,839.72 = 189,550/x
  3. Step 3: Cross multiply
    340,453.04x = 469,839.72 × 189,550
  4. Step 4: Simplify right side
    340,453.04x = 89,058,118,926
  5. Step 5: Solve for x
    x = 89,058,118,926/340,453.04
  6. Step 6: Final answer
    x = 261,587.09

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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.