Home / 385,093.23-531,251.82-249,171.48

Finding the Fourth Proportional to 385,093.23, 531,251.82 and 249,171.48

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Solution

The fourth proportional to 385,093.23, 531,251.82 and 249,171.48 is: 343,742.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,093.23 : 531,251.82 = 249,171.48 : x
  2. Step 2: Convert to fraction form
    385,093.23/531,251.82 = 249,171.48/x
  3. Step 3: Cross multiply
    385,093.23x = 531,251.82 × 249,171.48
  4. Step 4: Simplify right side
    385,093.23x = 132,372,802,242.09
  5. Step 5: Solve for x
    x = 132,372,802,242.09/385,093.23
  6. Step 6: Final answer
    x = 343,742.22

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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.