Home / 144,840.15-199,887.08-81,198.27

Finding the Fourth Proportional to 144,840.15, 199,887.08 and 81,198.27

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Solution

The fourth proportional to 144,840.15, 199,887.08 and 81,198.27 is: 112,057.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,840.15 : 199,887.08 = 81,198.27 : x
  2. Step 2: Convert to fraction form
    144,840.15/199,887.08 = 81,198.27/x
  3. Step 3: Cross multiply
    144,840.15x = 199,887.08 × 81,198.27
  4. Step 4: Simplify right side
    144,840.15x = 16,230,484,685.36
  5. Step 5: Solve for x
    x = 16,230,484,685.36/144,840.15
  6. Step 6: Final answer
    x = 112,057.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.