Home / 353,048.25-487,204.62-200,115.36

Finding the Fourth Proportional to 353,048.25, 487,204.62 and 200,115.36

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Solution

The fourth proportional to 353,048.25, 487,204.62 and 200,115.36 is: 276,158.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,048.25 : 487,204.62 = 200,115.36 : x
  2. Step 2: Convert to fraction form
    353,048.25/487,204.62 = 200,115.36/x
  3. Step 3: Cross multiply
    353,048.25x = 487,204.62 × 200,115.36
  4. Step 4: Simplify right side
    353,048.25x = 97,497,128,300.18
  5. Step 5: Solve for x
    x = 97,497,128,300.18/353,048.25
  6. Step 6: Final answer
    x = 276,158.08

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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.