Home / 204,118.40-281,688.09-113,470.88

Finding the Fourth Proportional to 204,118.40, 281,688.09 and 113,470.88

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Solution

The fourth proportional to 204,118.40, 281,688.09 and 113,470.88 is: 156,592.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,118.40 : 281,688.09 = 113,470.88 : x
  2. Step 2: Convert to fraction form
    204,118.40/281,688.09 = 113,470.88/x
  3. Step 3: Cross multiply
    204,118.40x = 281,688.09 × 113,470.88
  4. Step 4: Simplify right side
    204,118.40x = 31,963,395,457.82
  5. Step 5: Solve for x
    x = 31,963,395,457.82/204,118.40
  6. Step 6: Final answer
    x = 156,592.43

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1.5x scale

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.