Home / 126,418.32-174,464.28-69,828.48

Finding the Fourth Proportional to 126,418.32, 174,464.28 and 69,828.48

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Solution

The fourth proportional to 126,418.32, 174,464.28 and 69,828.48 is: 96,367.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,418.32 : 174,464.28 = 69,828.48 : x
  2. Step 2: Convert to fraction form
    126,418.32/174,464.28 = 69,828.48/x
  3. Step 3: Cross multiply
    126,418.32x = 174,464.28 × 69,828.48
  4. Step 4: Simplify right side
    126,418.32x = 12,182,575,486.69
  5. Step 5: Solve for x
    x = 12,182,575,486.69/126,418.32
  6. Step 6: Final answer
    x = 96,367.17

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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.