Home / 135,905.46-187,555.76-75,476.37

Finding the Fourth Proportional to 135,905.46, 187,555.76 and 75,476.37

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Solution

The fourth proportional to 135,905.46, 187,555.76 and 75,476.37 is: 104,160.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,905.46 : 187,555.76 = 75,476.37 : x
  2. Step 2: Convert to fraction form
    135,905.46/187,555.76 = 75,476.37/x
  3. Step 3: Cross multiply
    135,905.46x = 187,555.76 × 75,476.37
  4. Step 4: Simplify right side
    135,905.46x = 14,156,028,126.08
  5. Step 5: Solve for x
    x = 14,156,028,126.08/135,905.46
  6. Step 6: Final answer
    x = 104,160.85

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1.5x scale

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.