Home / 340,756.20-470,160.97-193,548.31

Finding the Fourth Proportional to 340,756.20, 470,160.97 and 193,548.31

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Solution

The fourth proportional to 340,756.20, 470,160.97 and 193,548.31 is: 267,049.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,756.20 : 470,160.97 = 193,548.31 : x
  2. Step 2: Convert to fraction form
    340,756.20/470,160.97 = 193,548.31/x
  3. Step 3: Cross multiply
    340,756.20x = 470,160.97 × 193,548.31
  4. Step 4: Simplify right side
    340,756.20x = 90,998,861,275.29
  5. Step 5: Solve for x
    x = 90,998,861,275.29/340,756.20
  6. Step 6: Final answer
    x = 267,049.76

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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.