Home / 248,785.34-343,052.45-168,072.72

Finding the Fourth Proportional to 248,785.34, 343,052.45 and 168,072.72

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Solution

The fourth proportional to 248,785.34, 343,052.45 and 168,072.72 is: 231,757.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,785.34 : 343,052.45 = 168,072.72 : x
  2. Step 2: Convert to fraction form
    248,785.34/343,052.45 = 168,072.72/x
  3. Step 3: Cross multiply
    248,785.34x = 343,052.45 × 168,072.72
  4. Step 4: Simplify right side
    248,785.34x = 57,657,757,533.80
  5. Step 5: Solve for x
    x = 57,657,757,533.80/248,785.34
  6. Step 6: Final answer
    x = 231,757.06

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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.