Home / 135,182.12-202,801.76-50,940.47

Finding the Fourth Proportional to 135,182.12, 202,801.76 and 50,940.47

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Solution

The fourth proportional to 135,182.12, 202,801.76 and 50,940.47 is: 76,421.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,182.12 : 202,801.76 = 50,940.47 : x
  2. Step 2: Convert to fraction form
    135,182.12/202,801.76 = 50,940.47/x
  3. Step 3: Cross multiply
    135,182.12x = 202,801.76 × 50,940.47
  4. Step 4: Simplify right side
    135,182.12x = 10,330,817,059.08
  5. Step 5: Solve for x
    x = 10,330,817,059.08/135,182.12
  6. Step 6: Final answer
    x = 76,421.48

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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.