Home / 157,916.41-217,937.59-89,954.64

Finding the Fourth Proportional to 157,916.41, 217,937.59 and 89,954.64

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Solution

The fourth proportional to 157,916.41, 217,937.59 and 89,954.64 is: 124,144.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,916.41 : 217,937.59 = 89,954.64 : x
  2. Step 2: Convert to fraction form
    157,916.41/217,937.59 = 89,954.64/x
  3. Step 3: Cross multiply
    157,916.41x = 217,937.59 × 89,954.64
  4. Step 4: Simplify right side
    157,916.41x = 19,604,497,226.03
  5. Step 5: Solve for x
    x = 19,604,497,226.03/157,916.41
  6. Step 6: Final answer
    x = 124,144.78

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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.