Home / 136,266.68-188,057.22-75,842.30

Finding the Fourth Proportional to 136,266.68, 188,057.22 and 75,842.30

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Solution

The fourth proportional to 136,266.68, 188,057.22 and 75,842.30 is: 104,667.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,266.68 : 188,057.22 = 75,842.30 : x
  2. Step 2: Convert to fraction form
    136,266.68/188,057.22 = 75,842.30/x
  3. Step 3: Cross multiply
    136,266.68x = 188,057.22 × 75,842.30
  4. Step 4: Simplify right side
    136,266.68x = 14,262,692,096.41
  5. Step 5: Solve for x
    x = 14,262,692,096.41/136,266.68
  6. Step 6: Final answer
    x = 104,667.50

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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.