Home / 104,917.41-144,840.83-81,582.12

Finding the Fourth Proportional to 104,917.41, 144,840.83 and 81,582.12

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Solution

The fourth proportional to 104,917.41, 144,840.83 and 81,582.12 is: 112,625.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,917.41 : 144,840.83 = 81,582.12 : x
  2. Step 2: Convert to fraction form
    104,917.41/144,840.83 = 81,582.12/x
  3. Step 3: Cross multiply
    104,917.41x = 144,840.83 × 81,582.12
  4. Step 4: Simplify right side
    104,917.41x = 11,816,421,566.05
  5. Step 5: Solve for x
    x = 11,816,421,566.05/104,917.41
  6. Step 6: Final answer
    x = 112,625.94

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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.