Home / 135,926.21-187,572.95-75,500.71

Finding the Fourth Proportional to 135,926.21, 187,572.95 and 75,500.71

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Solution

The fourth proportional to 135,926.21, 187,572.95 and 75,500.71 is: 104,188.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,926.21 : 187,572.95 = 75,500.71 : x
  2. Step 2: Convert to fraction form
    135,926.21/187,572.95 = 75,500.71/x
  3. Step 3: Cross multiply
    135,926.21x = 187,572.95 × 75,500.71
  4. Step 4: Simplify right side
    135,926.21x = 14,161,890,657.00
  5. Step 5: Solve for x
    x = 14,161,890,657.00/135,926.21
  6. Step 6: Final answer
    x = 104,188.08

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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.