Home / 130,223.75-195,206.30-73,947.38

Finding the Fourth Proportional to 130,223.75, 195,206.30 and 73,947.38

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Solution

The fourth proportional to 130,223.75, 195,206.30 and 73,947.38 is: 110,847.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,223.75 : 195,206.30 = 73,947.38 : x
  2. Step 2: Convert to fraction form
    130,223.75/195,206.30 = 73,947.38/x
  3. Step 3: Cross multiply
    130,223.75x = 195,206.30 × 73,947.38
  4. Step 4: Simplify right side
    130,223.75x = 14,434,994,890.02
  5. Step 5: Solve for x
    x = 14,434,994,890.02/130,223.75
  6. Step 6: Final answer
    x = 110,847.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.