Home / 303,326.20-454,989.30-191,133.10

Finding the Fourth Proportional to 303,326.20, 454,989.30 and 191,133.10

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Solution

The fourth proportional to 303,326.20, 454,989.30 and 191,133.10 is: 286,699.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,326.20 : 454,989.30 = 191,133.10 : x
  2. Step 2: Convert to fraction form
    303,326.20/454,989.30 = 191,133.10/x
  3. Step 3: Cross multiply
    303,326.20x = 454,989.30 × 191,133.10
  4. Step 4: Simplify right side
    303,326.20x = 86,963,515,375.83
  5. Step 5: Solve for x
    x = 86,963,515,375.83/303,326.20
  6. Step 6: Final answer
    x = 286,699.65

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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.