Home / 805,133.96-1,207,673.20-206,100.28

Finding the Fourth Proportional to 805,133.96, 1,207,673.20 and 206,100.28

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Solution

The fourth proportional to 805,133.96, 1,207,673.20 and 206,100.28 is: 309,143.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,133.96 : 1,207,673.20 = 206,100.28 : x
  2. Step 2: Convert to fraction form
    805,133.96/1,207,673.20 = 206,100.28/x
  3. Step 3: Cross multiply
    805,133.96x = 1,207,673.20 × 206,100.28
  4. Step 4: Simplify right side
    805,133.96x = 248,901,784,668.50
  5. Step 5: Solve for x
    x = 248,901,784,668.50/805,133.96
  6. Step 6: Final answer
    x = 309,143.32

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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.