Home / 194,784.32-268,818.77-109,917.78

Finding the Fourth Proportional to 194,784.32, 268,818.77 and 109,917.78

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Solution

The fourth proportional to 194,784.32, 268,818.77 and 109,917.78 is: 151,695.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,784.32 : 268,818.77 = 109,917.78 : x
  2. Step 2: Convert to fraction form
    194,784.32/268,818.77 = 109,917.78/x
  3. Step 3: Cross multiply
    194,784.32x = 268,818.77 × 109,917.78
  4. Step 4: Simplify right side
    194,784.32x = 29,547,961,871.14
  5. Step 5: Solve for x
    x = 29,547,961,871.14/194,784.32
  6. Step 6: Final answer
    x = 151,695.80

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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.