Home / 354,786.60-532,331.10-186,436.20

Finding the Fourth Proportional to 354,786.60, 532,331.10 and 186,436.20

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Solution

The fourth proportional to 354,786.60, 532,331.10 and 186,436.20 is: 279,733.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,786.60 : 532,331.10 = 186,436.20 : x
  2. Step 2: Convert to fraction form
    354,786.60/532,331.10 = 186,436.20/x
  3. Step 3: Cross multiply
    354,786.60x = 532,331.10 × 186,436.20
  4. Step 4: Simplify right side
    354,786.60x = 99,245,787,425.82
  5. Step 5: Solve for x
    x = 99,245,787,425.82/354,786.60
  6. Step 6: Final answer
    x = 279,733.75

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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.