Home / 157,569.45-217,440.46-93,906.09

Finding the Fourth Proportional to 157,569.45, 217,440.46 and 93,906.09

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Solution

The fourth proportional to 157,569.45, 217,440.46 and 93,906.09 is: 129,587.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,569.45 : 217,440.46 = 93,906.09 : x
  2. Step 2: Convert to fraction form
    157,569.45/217,440.46 = 93,906.09/x
  3. Step 3: Cross multiply
    157,569.45x = 217,440.46 × 93,906.09
  4. Step 4: Simplify right side
    157,569.45x = 20,418,983,406.40
  5. Step 5: Solve for x
    x = 20,418,983,406.40/157,569.45
  6. Step 6: Final answer
    x = 129,587.20

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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.