Home / 130,896.40-180,626.39-73,532.61

Finding the Fourth Proportional to 130,896.40, 180,626.39 and 73,532.61

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Solution

The fourth proportional to 130,896.40, 180,626.39 and 73,532.61 is: 101,469.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,896.40 : 180,626.39 = 73,532.61 : x
  2. Step 2: Convert to fraction form
    130,896.40/180,626.39 = 73,532.61/x
  3. Step 3: Cross multiply
    130,896.40x = 180,626.39 × 73,532.61
  4. Step 4: Simplify right side
    130,896.40x = 13,281,928,620.78
  5. Step 5: Solve for x
    x = 13,281,928,620.78/130,896.40
  6. Step 6: Final answer
    x = 101,469.01

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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.