Home / 226,906.80-313,126.20-142,070.64

Finding the Fourth Proportional to 226,906.80, 313,126.20 and 142,070.64

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Solution

The fourth proportional to 226,906.80, 313,126.20 and 142,070.64 is: 196,054.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,906.80 : 313,126.20 = 142,070.64 : x
  2. Step 2: Convert to fraction form
    226,906.80/313,126.20 = 142,070.64/x
  3. Step 3: Cross multiply
    226,906.80x = 313,126.20 × 142,070.64
  4. Step 4: Simplify right side
    226,906.80x = 44,486,039,634.77
  5. Step 5: Solve for x
    x = 44,486,039,634.77/226,906.80
  6. Step 6: Final answer
    x = 196,054.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.