Home / 157,916.56-217,935.21-89,023.03

Finding the Fourth Proportional to 157,916.56, 217,935.21 and 89,023.03

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Solution

The fourth proportional to 157,916.56, 217,935.21 and 89,023.03 is: 122,857.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,916.56 : 217,935.21 = 89,023.03 : x
  2. Step 2: Convert to fraction form
    157,916.56/217,935.21 = 89,023.03/x
  3. Step 3: Cross multiply
    157,916.56x = 217,935.21 × 89,023.03
  4. Step 4: Simplify right side
    157,916.56x = 19,401,252,737.89
  5. Step 5: Solve for x
    x = 19,401,252,737.89/157,916.56
  6. Step 6: Final answer
    x = 122,857.62

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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.