Home / 194,642.34-268,655.36-109,808.61

Finding the Fourth Proportional to 194,642.34, 268,655.36 and 109,808.61

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Solution

The fourth proportional to 194,642.34, 268,655.36 and 109,808.61 is: 151,563.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,642.34 : 268,655.36 = 109,808.61 : x
  2. Step 2: Convert to fraction form
    194,642.34/268,655.36 = 109,808.61/x
  3. Step 3: Cross multiply
    194,642.34x = 268,655.36 × 109,808.61
  4. Step 4: Simplify right side
    194,642.34x = 29,500,671,650.65
  5. Step 5: Solve for x
    x = 29,500,671,650.65/194,642.34
  6. Step 6: Final answer
    x = 151,563.49

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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.