Home / 200,026.22-275,906.13-128,292.62

Finding the Fourth Proportional to 200,026.22, 275,906.13 and 128,292.62

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Solution

The fourth proportional to 200,026.22, 275,906.13 and 128,292.62 is: 176,960.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,026.22 : 275,906.13 = 128,292.62 : x
  2. Step 2: Convert to fraction form
    200,026.22/275,906.13 = 128,292.62/x
  3. Step 3: Cross multiply
    200,026.22x = 275,906.13 × 128,292.62
  4. Step 4: Simplify right side
    200,026.22x = 35,396,720,291.76
  5. Step 5: Solve for x
    x = 35,396,720,291.76/200,026.22
  6. Step 6: Final answer
    x = 176,960.40

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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.