Home / 142,285.14-213,427.68-37,103.82

Finding the Fourth Proportional to 142,285.14, 213,427.68 and 37,103.82

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Solution

The fourth proportional to 142,285.14, 213,427.68 and 37,103.82 is: 55,655.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,285.14 : 213,427.68 = 37,103.82 : x
  2. Step 2: Convert to fraction form
    142,285.14/213,427.68 = 37,103.82/x
  3. Step 3: Cross multiply
    142,285.14x = 213,427.68 × 37,103.82
  4. Step 4: Simplify right side
    142,285.14x = 7,918,982,221.74
  5. Step 5: Solve for x
    x = 7,918,982,221.74/142,285.14
  6. Step 6: Final answer
    x = 55,655.72

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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.