Home / 327,854.04-452,488.78-198,813.48

Finding the Fourth Proportional to 327,854.04, 452,488.78 and 198,813.48

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Solution

The fourth proportional to 327,854.04, 452,488.78 and 198,813.48 is: 274,393.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,854.04 : 452,488.78 = 198,813.48 : x
  2. Step 2: Convert to fraction form
    327,854.04/452,488.78 = 198,813.48/x
  3. Step 3: Cross multiply
    327,854.04x = 452,488.78 × 198,813.48
  4. Step 4: Simplify right side
    327,854.04x = 89,960,869,012.75
  5. Step 5: Solve for x
    x = 89,960,869,012.75/327,854.04
  6. Step 6: Final answer
    x = 274,393.05

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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.