Home / 226,213.39-312,280.88-130,701.63

Finding the Fourth Proportional to 226,213.39, 312,280.88 and 130,701.63

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Solution

The fourth proportional to 226,213.39, 312,280.88 and 130,701.63 is: 180,429.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,213.39 : 312,280.88 = 130,701.63 : x
  2. Step 2: Convert to fraction form
    226,213.39/312,280.88 = 130,701.63/x
  3. Step 3: Cross multiply
    226,213.39x = 312,280.88 × 130,701.63
  4. Step 4: Simplify right side
    226,213.39x = 40,815,620,033.83
  5. Step 5: Solve for x
    x = 40,815,620,033.83/226,213.39
  6. Step 6: Final answer
    x = 180,429.73

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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.