Home / 245,053.20-367,579.80-242,979.60

Finding the Fourth Proportional to 245,053.20, 367,579.80 and 242,979.60

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Solution

The fourth proportional to 245,053.20, 367,579.80 and 242,979.60 is: 364,469.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,053.20 : 367,579.80 = 242,979.60 : x
  2. Step 2: Convert to fraction form
    245,053.20/367,579.80 = 242,979.60/x
  3. Step 3: Cross multiply
    245,053.20x = 367,579.80 × 242,979.60
  4. Step 4: Simplify right side
    245,053.20x = 89,314,392,772.08
  5. Step 5: Solve for x
    x = 89,314,392,772.08/245,053.20
  6. Step 6: Final answer
    x = 364,469.40

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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.