Home / 142,610.76-213,944.70-52,654.02

Finding the Fourth Proportional to 142,610.76, 213,944.70 and 52,654.02

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Solution

The fourth proportional to 142,610.76, 213,944.70 and 52,654.02 is: 78,991.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,610.76 : 213,944.70 = 52,654.02 : x
  2. Step 2: Convert to fraction form
    142,610.76/213,944.70 = 52,654.02/x
  3. Step 3: Cross multiply
    142,610.76x = 213,944.70 × 52,654.02
  4. Step 4: Simplify right side
    142,610.76x = 11,265,048,512.69
  5. Step 5: Solve for x
    x = 11,265,048,512.69/142,610.76
  6. Step 6: Final answer
    x = 78,991.57

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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.