Home / 104,928.29-144,801.07-57,181.65

Finding the Fourth Proportional to 104,928.29, 144,801.07 and 57,181.65

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Solution

The fourth proportional to 104,928.29, 144,801.07 and 57,181.65 is: 78,910.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,928.29 : 144,801.07 = 57,181.65 : x
  2. Step 2: Convert to fraction form
    104,928.29/144,801.07 = 57,181.65/x
  3. Step 3: Cross multiply
    104,928.29x = 144,801.07 × 57,181.65
  4. Step 4: Simplify right side
    104,928.29x = 8,279,963,961.41
  5. Step 5: Solve for x
    x = 8,279,963,961.41/104,928.29
  6. Step 6: Final answer
    x = 78,910.69

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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.