Home / 334,621.49-501,938.70-81,904.14

Finding the Fourth Proportional to 334,621.49, 501,938.70 and 81,904.14

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Solution

The fourth proportional to 334,621.49, 501,938.70 and 81,904.14 is: 122,857.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,621.49 : 501,938.70 = 81,904.14 : x
  2. Step 2: Convert to fraction form
    334,621.49/501,938.70 = 81,904.14/x
  3. Step 3: Cross multiply
    334,621.49x = 501,938.70 × 81,904.14
  4. Step 4: Simplify right side
    334,621.49x = 41,110,857,556.22
  5. Step 5: Solve for x
    x = 41,110,857,556.22/334,621.49
  6. Step 6: Final answer
    x = 122,857.79

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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.