Home / 262,078.20-393,117.30-242,832.60

Finding the Fourth Proportional to 262,078.20, 393,117.30 and 242,832.60

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Solution

The fourth proportional to 262,078.20, 393,117.30 and 242,832.60 is: 364,248.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,078.20 : 393,117.30 = 242,832.60 : x
  2. Step 2: Convert to fraction form
    262,078.20/393,117.30 = 242,832.60/x
  3. Step 3: Cross multiply
    262,078.20x = 393,117.30 × 242,832.60
  4. Step 4: Simplify right side
    262,078.20x = 95,461,696,063.98
  5. Step 5: Solve for x
    x = 95,461,696,063.98/262,078.20
  6. Step 6: Final answer
    x = 364,248.90

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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.