Home / 197,722.34-272,857.08-107,078.46

Finding the Fourth Proportional to 197,722.34, 272,857.08 and 107,078.46

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Solution

The fourth proportional to 197,722.34, 272,857.08 and 107,078.46 is: 147,768.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,722.34 : 272,857.08 = 107,078.46 : x
  2. Step 2: Convert to fraction form
    197,722.34/272,857.08 = 107,078.46/x
  3. Step 3: Cross multiply
    197,722.34x = 272,857.08 × 107,078.46
  4. Step 4: Simplify right side
    197,722.34x = 29,217,115,926.50
  5. Step 5: Solve for x
    x = 29,217,115,926.50/197,722.34
  6. Step 6: Final answer
    x = 147,768.41

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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.