Home / 135,760.19-187,346.18-75,329.52

Finding the Fourth Proportional to 135,760.19, 187,346.18 and 75,329.52

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Solution

The fourth proportional to 135,760.19, 187,346.18 and 75,329.52 is: 103,953.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,760.19 : 187,346.18 = 75,329.52 : x
  2. Step 2: Convert to fraction form
    135,760.19/187,346.18 = 75,329.52/x
  3. Step 3: Cross multiply
    135,760.19x = 187,346.18 × 75,329.52
  4. Step 4: Simplify right side
    135,760.19x = 14,112,697,436.59
  5. Step 5: Solve for x
    x = 14,112,697,436.59/135,760.19
  6. Step 6: Final answer
    x = 103,953.14

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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.