Home / 142,614.24-213,458.64-75,959.52

Finding the Fourth Proportional to 142,614.24, 213,458.64 and 75,959.52

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Solution

The fourth proportional to 142,614.24, 213,458.64 and 75,959.52 is: 113,692.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,614.24 : 213,458.64 = 75,959.52 : x
  2. Step 2: Convert to fraction form
    142,614.24/213,458.64 = 75,959.52/x
  3. Step 3: Cross multiply
    142,614.24x = 213,458.64 × 75,959.52
  4. Step 4: Simplify right side
    142,614.24x = 16,214,215,834.25
  5. Step 5: Solve for x
    x = 16,214,215,834.25/142,614.24
  6. Step 6: Final answer
    x = 113,692.83

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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.