Home / 130,540.48-195,898.21-83,826.16

Finding the Fourth Proportional to 130,540.48, 195,898.21 and 83,826.16

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Solution

The fourth proportional to 130,540.48, 195,898.21 and 83,826.16 is: 125,795.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,540.48 : 195,898.21 = 83,826.16 : x
  2. Step 2: Convert to fraction form
    130,540.48/195,898.21 = 83,826.16/x
  3. Step 3: Cross multiply
    130,540.48x = 195,898.21 × 83,826.16
  4. Step 4: Simplify right side
    130,540.48x = 16,421,394,695.17
  5. Step 5: Solve for x
    x = 16,421,394,695.17/130,540.48
  6. Step 6: Final answer
    x = 125,795.42

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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.