Home / 135,966.76-187,632.86-75,537.52

Finding the Fourth Proportional to 135,966.76, 187,632.86 and 75,537.52

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Solution

The fourth proportional to 135,966.76, 187,632.86 and 75,537.52 is: 104,241.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,966.76 : 187,632.86 = 75,537.52 : x
  2. Step 2: Convert to fraction form
    135,966.76/187,632.86 = 75,537.52/x
  3. Step 3: Cross multiply
    135,966.76x = 187,632.86 × 75,537.52
  4. Step 4: Simplify right side
    135,966.76x = 14,173,320,914.91
  5. Step 5: Solve for x
    x = 14,173,320,914.91/135,966.76
  6. Step 6: Final answer
    x = 104,241.07

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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.