Home / 194,663.09-268,635.06-109,780.16

Finding the Fourth Proportional to 194,663.09, 268,635.06 and 109,780.16

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Solution

The fourth proportional to 194,663.09, 268,635.06 and 109,780.16 is: 151,496.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,663.09 : 268,635.06 = 109,780.16 : x
  2. Step 2: Convert to fraction form
    194,663.09/268,635.06 = 109,780.16/x
  3. Step 3: Cross multiply
    194,663.09x = 268,635.06 × 109,780.16
  4. Step 4: Simplify right side
    194,663.09x = 29,490,798,525.23
  5. Step 5: Solve for x
    x = 29,490,798,525.23/194,663.09
  6. Step 6: Final answer
    x = 151,496.62

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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.