Home / 132,174.06-198,262.74-38,681.70

Finding the Fourth Proportional to 132,174.06, 198,262.74 and 38,681.70

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Solution

The fourth proportional to 132,174.06, 198,262.74 and 38,681.70 is: 58,023.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,174.06 : 198,262.74 = 38,681.70 : x
  2. Step 2: Convert to fraction form
    132,174.06/198,262.74 = 38,681.70/x
  3. Step 3: Cross multiply
    132,174.06x = 198,262.74 × 38,681.70
  4. Step 4: Simplify right side
    132,174.06x = 7,669,139,829.86
  5. Step 5: Solve for x
    x = 7,669,139,829.86/132,174.06
  6. Step 6: Final answer
    x = 58,023.03

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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.