Home / 130,044.15-195,027.35-67,680.63

Finding the Fourth Proportional to 130,044.15, 195,027.35 and 67,680.63

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Solution

The fourth proportional to 130,044.15, 195,027.35 and 67,680.63 is: 101,500.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,044.15 : 195,027.35 = 67,680.63 : x
  2. Step 2: Convert to fraction form
    130,044.15/195,027.35 = 67,680.63/x
  3. Step 3: Cross multiply
    130,044.15x = 195,027.35 × 67,680.63
  4. Step 4: Simplify right side
    130,044.15x = 13,199,573,576.83
  5. Step 5: Solve for x
    x = 13,199,573,576.83/130,044.15
  6. Step 6: Final answer
    x = 101,500.71

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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.