Home / 343,734.73-515,632.10-141,343.16

Finding the Fourth Proportional to 343,734.73, 515,632.10 and 141,343.16

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Solution

The fourth proportional to 343,734.73, 515,632.10 and 141,343.16 is: 212,027.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,734.73 : 515,632.10 = 141,343.16 : x
  2. Step 2: Convert to fraction form
    343,734.73/515,632.10 = 141,343.16/x
  3. Step 3: Cross multiply
    343,734.73x = 515,632.10 × 141,343.16
  4. Step 4: Simplify right side
    343,734.73x = 72,881,067,126.56
  5. Step 5: Solve for x
    x = 72,881,067,126.56/343,734.73
  6. Step 6: Final answer
    x = 212,027.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.