Home / 130,600.91-195,901.40-86,217.27

Finding the Fourth Proportional to 130,600.91, 195,901.40 and 86,217.27

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Solution

The fourth proportional to 130,600.91, 195,901.40 and 86,217.27 is: 129,325.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,600.91 : 195,901.40 = 86,217.27 : x
  2. Step 2: Convert to fraction form
    130,600.91/195,901.40 = 86,217.27/x
  3. Step 3: Cross multiply
    130,600.91x = 195,901.40 × 86,217.27
  4. Step 4: Simplify right side
    130,600.91x = 16,890,083,466.09
  5. Step 5: Solve for x
    x = 16,890,083,466.09/130,600.91
  6. Step 6: Final answer
    x = 129,325.93

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1.5x scale

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.