Home / 126,418.82-174,454.63-69,828.98

Finding the Fourth Proportional to 126,418.82, 174,454.63 and 69,828.98

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Solution

The fourth proportional to 126,418.82, 174,454.63 and 69,828.98 is: 96,362.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,418.82 : 174,454.63 = 69,828.98 : x
  2. Step 2: Convert to fraction form
    126,418.82/174,454.63 = 69,828.98/x
  3. Step 3: Cross multiply
    126,418.82x = 174,454.63 × 69,828.98
  4. Step 4: Simplify right side
    126,418.82x = 12,181,987,822.33
  5. Step 5: Solve for x
    x = 12,181,987,822.33/126,418.82
  6. Step 6: Final answer
    x = 96,362.14

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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.