Home / 340,431.08-469,723.68-197,182.58

Finding the Fourth Proportional to 340,431.08, 469,723.68 and 197,182.58

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Solution

The fourth proportional to 340,431.08, 469,723.68 and 197,182.58 is: 272,070.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,431.08 : 469,723.68 = 197,182.58 : x
  2. Step 2: Convert to fraction form
    340,431.08/469,723.68 = 197,182.58/x
  3. Step 3: Cross multiply
    340,431.08x = 469,723.68 × 197,182.58
  4. Step 4: Simplify right side
    340,431.08x = 92,621,327,109.49
  5. Step 5: Solve for x
    x = 92,621,327,109.49/340,431.08
  6. Step 6: Final answer
    x = 272,070.71

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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.