Home / 116,724.60-175,086.90-109,812.60

Finding the Fourth Proportional to 116,724.60, 175,086.90 and 109,812.60

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Solution

The fourth proportional to 116,724.60, 175,086.90 and 109,812.60 is: 164,718.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,724.60 : 175,086.90 = 109,812.60 : x
  2. Step 2: Convert to fraction form
    116,724.60/175,086.90 = 109,812.60/x
  3. Step 3: Cross multiply
    116,724.60x = 175,086.90 × 109,812.60
  4. Step 4: Simplify right side
    116,724.60x = 19,226,747,714.94
  5. Step 5: Solve for x
    x = 19,226,747,714.94/116,724.60
  6. Step 6: Final answer
    x = 164,718.90

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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.