Home / 130,716.53-180,392.41-73,359.38

Finding the Fourth Proportional to 130,716.53, 180,392.41 and 73,359.38

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Solution

The fourth proportional to 130,716.53, 180,392.41 and 73,359.38 is: 101,237.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,716.53 : 180,392.41 = 73,359.38 : x
  2. Step 2: Convert to fraction form
    130,716.53/180,392.41 = 73,359.38/x
  3. Step 3: Cross multiply
    130,716.53x = 180,392.41 × 73,359.38
  4. Step 4: Simplify right side
    130,716.53x = 13,233,474,268.95
  5. Step 5: Solve for x
    x = 13,233,474,268.95/130,716.53
  6. Step 6: Final answer
    x = 101,237.95

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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.