Home / 372,837.48-514,528.56-211,687.20

Finding the Fourth Proportional to 372,837.48, 514,528.56 and 211,687.20

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Solution

The fourth proportional to 372,837.48, 514,528.56 and 211,687.20 is: 292,135.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,837.48 : 514,528.56 = 211,687.20 : x
  2. Step 2: Convert to fraction form
    372,837.48/514,528.56 = 211,687.20/x
  3. Step 3: Cross multiply
    372,837.48x = 514,528.56 × 211,687.20
  4. Step 4: Simplify right side
    372,837.48x = 108,919,110,186.43
  5. Step 5: Solve for x
    x = 108,919,110,186.43/372,837.48
  6. Step 6: Final answer
    x = 292,135.62

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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.