Home / 262,774.16-394,456.08-105,112.52

Finding the Fourth Proportional to 262,774.16, 394,456.08 and 105,112.52

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Solution

The fourth proportional to 262,774.16, 394,456.08 and 105,112.52 is: 157,786.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,774.16 : 394,456.08 = 105,112.52 : x
  2. Step 2: Convert to fraction form
    262,774.16/394,456.08 = 105,112.52/x
  3. Step 3: Cross multiply
    262,774.16x = 394,456.08 × 105,112.52
  4. Step 4: Simplify right side
    262,774.16x = 41,462,272,598.12
  5. Step 5: Solve for x
    x = 41,462,272,598.12/262,774.16
  6. Step 6: Final answer
    x = 157,786.72

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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.