Home / 142,593.48-213,938.82-53,872.56

Finding the Fourth Proportional to 142,593.48, 213,938.82 and 53,872.56

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Solution

The fourth proportional to 142,593.48, 213,938.82 and 53,872.56 is: 80,827.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,593.48 : 213,938.82 = 53,872.56 : x
  2. Step 2: Convert to fraction form
    142,593.48/213,938.82 = 53,872.56/x
  3. Step 3: Cross multiply
    142,593.48x = 213,938.82 × 53,872.56
  4. Step 4: Simplify right side
    142,593.48x = 11,525,431,916.78
  5. Step 5: Solve for x
    x = 11,525,431,916.78/142,593.48
  6. Step 6: Final answer
    x = 80,827.20

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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.