Home / 197,174.70-272,101.20-106,530.64

Finding the Fourth Proportional to 197,174.70, 272,101.20 and 106,530.64

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Solution

The fourth proportional to 197,174.70, 272,101.20 and 106,530.64 is: 147,012.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,174.70 : 272,101.20 = 106,530.64 : x
  2. Step 2: Convert to fraction form
    197,174.70/272,101.20 = 106,530.64/x
  3. Step 3: Cross multiply
    197,174.70x = 272,101.20 × 106,530.64
  4. Step 4: Simplify right side
    197,174.70x = 28,987,114,980.77
  5. Step 5: Solve for x
    x = 28,987,114,980.77/197,174.70
  6. Step 6: Final answer
    x = 147,012.34

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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.