Home / 367,513.20-551,160.24-142,908.48

Finding the Fourth Proportional to 367,513.20, 551,160.24 and 142,908.48

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Solution

The fourth proportional to 367,513.20, 551,160.24 and 142,908.48 is: 214,320.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,513.20 : 551,160.24 = 142,908.48 : x
  2. Step 2: Convert to fraction form
    367,513.20/551,160.24 = 142,908.48/x
  3. Step 3: Cross multiply
    367,513.20x = 551,160.24 × 142,908.48
  4. Step 4: Simplify right side
    367,513.20x = 78,765,472,134.84
  5. Step 5: Solve for x
    x = 78,765,472,134.84/367,513.20
  6. Step 6: Final answer
    x = 214,320.12

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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.