Home / 349,747.47-482,662.40-198,854.19

Finding the Fourth Proportional to 349,747.47, 482,662.40 and 198,854.19

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Solution

The fourth proportional to 349,747.47, 482,662.40 and 198,854.19 is: 274,424.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,747.47 : 482,662.40 = 198,854.19 : x
  2. Step 2: Convert to fraction form
    349,747.47/482,662.40 = 198,854.19/x
  3. Step 3: Cross multiply
    349,747.47x = 482,662.40 × 198,854.19
  4. Step 4: Simplify right side
    349,747.47x = 95,979,439,601.19
  5. Step 5: Solve for x
    x = 95,979,439,601.19/349,747.47
  6. Step 6: Final answer
    x = 274,424.97

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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.