Home / 217,477.10-299,436.38-197,548.06

Finding the Fourth Proportional to 217,477.10, 299,436.38 and 197,548.06

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Solution

The fourth proportional to 217,477.10, 299,436.38 and 197,548.06 is: 271,996.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,477.10 : 299,436.38 = 197,548.06 : x
  2. Step 2: Convert to fraction form
    217,477.10/299,436.38 = 197,548.06/x
  3. Step 3: Cross multiply
    217,477.10x = 299,436.38 × 197,548.06
  4. Step 4: Simplify right side
    217,477.10x = 59,153,074,974.68
  5. Step 5: Solve for x
    x = 59,153,074,974.68/217,477.10
  6. Step 6: Final answer
    x = 271,996.80

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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.