Home / 452,949.92-679,529.76-133,106.66

Finding the Fourth Proportional to 452,949.92, 679,529.76 and 133,106.66

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Solution

The fourth proportional to 452,949.92, 679,529.76 and 133,106.66 is: 199,690.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,949.92 : 679,529.76 = 133,106.66 : x
  2. Step 2: Convert to fraction form
    452,949.92/679,529.76 = 133,106.66/x
  3. Step 3: Cross multiply
    452,949.92x = 679,529.76 × 133,106.66
  4. Step 4: Simplify right side
    452,949.92x = 90,449,936,724.20
  5. Step 5: Solve for x
    x = 90,449,936,724.20/452,949.92
  6. Step 6: Final answer
    x = 199,690.81

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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.