Home / 154,916.64-232,399.26-66,170.64

Finding the Fourth Proportional to 154,916.64, 232,399.26 and 66,170.64

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Solution

The fourth proportional to 154,916.64, 232,399.26 and 66,170.64 is: 99,266.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,916.64 : 232,399.26 = 66,170.64 : x
  2. Step 2: Convert to fraction form
    154,916.64/232,399.26 = 66,170.64/x
  3. Step 3: Cross multiply
    154,916.64x = 232,399.26 × 66,170.64
  4. Step 4: Simplify right side
    154,916.64x = 15,378,007,769.73
  5. Step 5: Solve for x
    x = 15,378,007,769.73/154,916.64
  6. Step 6: Final answer
    x = 99,266.34

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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.