Home / 298,048.08-447,127.38-98,382.36

Finding the Fourth Proportional to 298,048.08, 447,127.38 and 98,382.36

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Solution

The fourth proportional to 298,048.08, 447,127.38 and 98,382.36 is: 147,591.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,048.08 : 447,127.38 = 98,382.36 : x
  2. Step 2: Convert to fraction form
    298,048.08/447,127.38 = 98,382.36/x
  3. Step 3: Cross multiply
    298,048.08x = 447,127.38 × 98,382.36
  4. Step 4: Simplify right side
    298,048.08x = 43,989,446,865.02
  5. Step 5: Solve for x
    x = 43,989,446,865.02/298,048.08
  6. Step 6: Final answer
    x = 147,591.78

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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.