Home / 104,582.13-144,703.33-91,181.28

Finding the Fourth Proportional to 104,582.13, 144,703.33 and 91,181.28

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Solution

The fourth proportional to 104,582.13, 144,703.33 and 91,181.28 is: 126,161.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,582.13 : 144,703.33 = 91,181.28 : x
  2. Step 2: Convert to fraction form
    104,582.13/144,703.33 = 91,181.28/x
  3. Step 3: Cross multiply
    104,582.13x = 144,703.33 × 91,181.28
  4. Step 4: Simplify right side
    104,582.13x = 13,194,234,849.66
  5. Step 5: Solve for x
    x = 13,194,234,849.66/104,582.13
  6. Step 6: Final answer
    x = 126,161.47

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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.