Home / 212,811.83-293,665.60-119,691.49

Finding the Fourth Proportional to 212,811.83, 293,665.60 and 119,691.49

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Solution

The fourth proportional to 212,811.83, 293,665.60 and 119,691.49 is: 165,165.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,811.83 : 293,665.60 = 119,691.49 : x
  2. Step 2: Convert to fraction form
    212,811.83/293,665.60 = 119,691.49/x
  3. Step 3: Cross multiply
    212,811.83x = 293,665.60 × 119,691.49
  4. Step 4: Simplify right side
    212,811.83x = 35,149,273,225.74
  5. Step 5: Solve for x
    x = 35,149,273,225.74/212,811.83
  6. Step 6: Final answer
    x = 165,165.97

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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.