Home / 106,135.50-159,229.27-87,192.16

Finding the Fourth Proportional to 106,135.50, 159,229.27 and 87,192.16

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Solution

The fourth proportional to 106,135.50, 159,229.27 and 87,192.16 is: 130,809.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,135.50 : 159,229.27 = 87,192.16 : x
  2. Step 2: Convert to fraction form
    106,135.50/159,229.27 = 87,192.16/x
  3. Step 3: Cross multiply
    106,135.50x = 159,229.27 × 87,192.16
  4. Step 4: Simplify right side
    106,135.50x = 13,883,543,697.44
  5. Step 5: Solve for x
    x = 13,883,543,697.44/106,135.50
  6. Step 6: Final answer
    x = 130,809.61

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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.