Home / 178,972.70-246,987.08-98,402.30

Finding the Fourth Proportional to 178,972.70, 246,987.08 and 98,402.30

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Solution

The fourth proportional to 178,972.70, 246,987.08 and 98,402.30 is: 135,797.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,972.70 : 246,987.08 = 98,402.30 : x
  2. Step 2: Convert to fraction form
    178,972.70/246,987.08 = 98,402.30/x
  3. Step 3: Cross multiply
    178,972.70x = 246,987.08 × 98,402.30
  4. Step 4: Simplify right side
    178,972.70x = 24,304,095,015.34
  5. Step 5: Solve for x
    x = 24,304,095,015.34/178,972.70
  6. Step 6: Final answer
    x = 135,797.78

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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.