Home / 296,345.28-408,940.80-162,183.36

Finding the Fourth Proportional to 296,345.28, 408,940.80 and 162,183.36

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Solution

The fourth proportional to 296,345.28, 408,940.80 and 162,183.36 is: 223,804.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,345.28 : 408,940.80 = 162,183.36 : x
  2. Step 2: Convert to fraction form
    296,345.28/408,940.80 = 162,183.36/x
  3. Step 3: Cross multiply
    296,345.28x = 408,940.80 × 162,183.36
  4. Step 4: Simplify right side
    296,345.28x = 66,323,392,985.09
  5. Step 5: Solve for x
    x = 66,323,392,985.09/296,345.28
  6. Step 6: Final answer
    x = 223,804.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.