Home / 101,247.52-151,883.44-42,123.20

Finding the Fourth Proportional to 101,247.52, 151,883.44 and 42,123.20

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Solution

The fourth proportional to 101,247.52, 151,883.44 and 42,123.20 is: 63,189.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,247.52 : 151,883.44 = 42,123.20 : x
  2. Step 2: Convert to fraction form
    101,247.52/151,883.44 = 42,123.20/x
  3. Step 3: Cross multiply
    101,247.52x = 151,883.44 × 42,123.20
  4. Step 4: Simplify right side
    101,247.52x = 6,397,816,519.81
  5. Step 5: Solve for x
    x = 6,397,816,519.81/101,247.52
  6. Step 6: Final answer
    x = 63,189.86

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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.