Home / 109,203.94-163,787.64-30,326.14

Finding the Fourth Proportional to 109,203.94, 163,787.64 and 30,326.14

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Solution

The fourth proportional to 109,203.94, 163,787.64 and 30,326.14 is: 45,484.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,203.94 : 163,787.64 = 30,326.14 : x
  2. Step 2: Convert to fraction form
    109,203.94/163,787.64 = 30,326.14/x
  3. Step 3: Cross multiply
    109,203.94x = 163,787.64 × 30,326.14
  4. Step 4: Simplify right side
    109,203.94x = 4,967,046,900.91
  5. Step 5: Solve for x
    x = 4,967,046,900.91/109,203.94
  6. Step 6: Final answer
    x = 45,484.14

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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.