Home / 130,041.70-195,083.19-55,162.18

Finding the Fourth Proportional to 130,041.70, 195,083.19 and 55,162.18

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Solution

The fourth proportional to 130,041.70, 195,083.19 and 55,162.18 is: 82,752.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,041.70 : 195,083.19 = 55,162.18 : x
  2. Step 2: Convert to fraction form
    130,041.70/195,083.19 = 55,162.18/x
  3. Step 3: Cross multiply
    130,041.70x = 195,083.19 × 55,162.18
  4. Step 4: Simplify right side
    130,041.70x = 10,761,214,041.75
  5. Step 5: Solve for x
    x = 10,761,214,041.75/130,041.70
  6. Step 6: Final answer
    x = 82,752.03

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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.