Home / 353,050.25-487,207.38-200,117.36

Finding the Fourth Proportional to 353,050.25, 487,207.38 and 200,117.36

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Solution

The fourth proportional to 353,050.25, 487,207.38 and 200,117.36 is: 276,160.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,050.25 : 487,207.38 = 200,117.36 : x
  2. Step 2: Convert to fraction form
    353,050.25/487,207.38 = 200,117.36/x
  3. Step 3: Cross multiply
    353,050.25x = 487,207.38 × 200,117.36
  4. Step 4: Simplify right side
    353,050.25x = 97,498,654,658.12
  5. Step 5: Solve for x
    x = 97,498,654,658.12/353,050.25
  6. Step 6: Final answer
    x = 276,160.84

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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.