Home / 221,583.44-305,774.52-126,081.20

Finding the Fourth Proportional to 221,583.44, 305,774.52 and 126,081.20

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Solution

The fourth proportional to 221,583.44, 305,774.52 and 126,081.20 is: 173,986.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,583.44 : 305,774.52 = 126,081.20 : x
  2. Step 2: Convert to fraction form
    221,583.44/305,774.52 = 126,081.20/x
  3. Step 3: Cross multiply
    221,583.44x = 305,774.52 × 126,081.20
  4. Step 4: Simplify right side
    221,583.44x = 38,552,418,411.02
  5. Step 5: Solve for x
    x = 38,552,418,411.02/221,583.44
  6. Step 6: Final answer
    x = 173,986.01

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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.