Home / 140,898.52-211,380.20-46,131.76

Finding the Fourth Proportional to 140,898.52, 211,380.20 and 46,131.76

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Solution

The fourth proportional to 140,898.52, 211,380.20 and 46,131.76 is: 69,208.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,898.52 : 211,380.20 = 46,131.76 : x
  2. Step 2: Convert to fraction form
    140,898.52/211,380.20 = 46,131.76/x
  3. Step 3: Cross multiply
    140,898.52x = 211,380.20 × 46,131.76
  4. Step 4: Simplify right side
    140,898.52x = 9,751,340,655.15
  5. Step 5: Solve for x
    x = 9,751,340,655.15/140,898.52
  6. Step 6: Final answer
    x = 69,208.25

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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.