Home / 135,760.46-187,346.56-75,329.80

Finding the Fourth Proportional to 135,760.46, 187,346.56 and 75,329.80

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Solution

The fourth proportional to 135,760.46, 187,346.56 and 75,329.80 is: 103,953.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,760.46 : 187,346.56 = 75,329.80 : x
  2. Step 2: Convert to fraction form
    135,760.46/187,346.56 = 75,329.80/x
  3. Step 3: Cross multiply
    135,760.46x = 187,346.56 × 75,329.80
  4. Step 4: Simplify right side
    135,760.46x = 14,112,778,895.49
  5. Step 5: Solve for x
    x = 14,112,778,895.49/135,760.46
  6. Step 6: Final answer
    x = 103,953.53

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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.