Home / 372,837.70-514,528.91-211,687.39

Finding the Fourth Proportional to 372,837.70, 514,528.91 and 211,687.39

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Solution

The fourth proportional to 372,837.70, 514,528.91 and 211,687.39 is: 292,135.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,837.70 : 514,528.91 = 211,687.39 : x
  2. Step 2: Convert to fraction form
    372,837.70/514,528.91 = 211,687.39/x
  3. Step 3: Cross multiply
    372,837.70x = 514,528.91 × 211,687.39
  4. Step 4: Simplify right side
    372,837.70x = 108,919,282,037.45
  5. Step 5: Solve for x
    x = 108,919,282,037.45/372,837.70
  6. Step 6: Final answer
    x = 292,135.91

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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.