Home / 194,926.50-268,999.38-105,502.50

Finding the Fourth Proportional to 194,926.50, 268,999.38 and 105,502.50

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Solution

The fourth proportional to 194,926.50, 268,999.38 and 105,502.50 is: 145,593.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,926.50 : 268,999.38 = 105,502.50 : x
  2. Step 2: Convert to fraction form
    194,926.50/268,999.38 = 105,502.50/x
  3. Step 3: Cross multiply
    194,926.50x = 268,999.38 × 105,502.50
  4. Step 4: Simplify right side
    194,926.50x = 28,380,107,088.45
  5. Step 5: Solve for x
    x = 28,380,107,088.45/194,926.50
  6. Step 6: Final answer
    x = 145,593.89

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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.