Home / 140,828.10-210,853.35-109,724.10

Finding the Fourth Proportional to 140,828.10, 210,853.35 and 109,724.10

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Solution

The fourth proportional to 140,828.10, 210,853.35 and 109,724.10 is: 164,283.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,828.10 : 210,853.35 = 109,724.10 : x
  2. Step 2: Convert to fraction form
    140,828.10/210,853.35 = 109,724.10/x
  3. Step 3: Cross multiply
    140,828.10x = 210,853.35 × 109,724.10
  4. Step 4: Simplify right side
    140,828.10x = 23,135,694,060.74
  5. Step 5: Solve for x
    x = 23,135,694,060.74/140,828.10
  6. Step 6: Final answer
    x = 164,283.22

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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.