Home / 178,972.75-246,988.18-98,406.10

Finding the Fourth Proportional to 178,972.75, 246,988.18 and 98,406.10

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Solution

The fourth proportional to 178,972.75, 246,988.18 and 98,406.10 is: 135,803.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,972.75 : 246,988.18 = 98,406.10 : x
  2. Step 2: Convert to fraction form
    178,972.75/246,988.18 = 98,406.10/x
  3. Step 3: Cross multiply
    178,972.75x = 246,988.18 × 98,406.10
  4. Step 4: Simplify right side
    178,972.75x = 24,305,143,539.90
  5. Step 5: Solve for x
    x = 24,305,143,539.90/178,972.75
  6. Step 6: Final answer
    x = 135,803.60

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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.