Home / 135,624.96-187,162.65-75,196.26

Finding the Fourth Proportional to 135,624.96, 187,162.65 and 75,196.26

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Solution

The fourth proportional to 135,624.96, 187,162.65 and 75,196.26 is: 103,770.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,624.96 : 187,162.65 = 75,196.26 : x
  2. Step 2: Convert to fraction form
    135,624.96/187,162.65 = 75,196.26/x
  3. Step 3: Cross multiply
    135,624.96x = 187,162.65 × 75,196.26
  4. Step 4: Simplify right side
    135,624.96x = 14,073,931,291.69
  5. Step 5: Solve for x
    x = 14,073,931,291.69/135,624.96
  6. Step 6: Final answer
    x = 103,770.95

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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.