Home / 168,904.32-253,443.96-122,539.92

Finding the Fourth Proportional to 168,904.32, 253,443.96 and 122,539.92

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Solution

The fourth proportional to 168,904.32, 253,443.96 and 122,539.92 is: 183,873.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,904.32 : 253,443.96 = 122,539.92 : x
  2. Step 2: Convert to fraction form
    168,904.32/253,443.96 = 122,539.92/x
  3. Step 3: Cross multiply
    168,904.32x = 253,443.96 × 122,539.92
  4. Step 4: Simplify right side
    168,904.32x = 31,057,002,582.88
  5. Step 5: Solve for x
    x = 31,057,002,582.88/168,904.32
  6. Step 6: Final answer
    x = 183,873.35

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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.