Home / 144,200.25-215,998.76-115,967.43

Finding the Fourth Proportional to 144,200.25, 215,998.76 and 115,967.43

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Solution

The fourth proportional to 144,200.25, 215,998.76 and 115,967.43 is: 173,708.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,200.25 : 215,998.76 = 115,967.43 : x
  2. Step 2: Convert to fraction form
    144,200.25/215,998.76 = 115,967.43/x
  3. Step 3: Cross multiply
    144,200.25x = 215,998.76 × 115,967.43
  4. Step 4: Simplify right side
    144,200.25x = 25,048,820,500.55
  5. Step 5: Solve for x
    x = 25,048,820,500.55/144,200.25
  6. Step 6: Final answer
    x = 173,708.58

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1.5x scale

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.