Home / 178,921.41-246,908.78-98,347.21

Finding the Fourth Proportional to 178,921.41, 246,908.78 and 98,347.21

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Solution

The fourth proportional to 178,921.41, 246,908.78 and 98,347.21 is: 135,717.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,921.41 : 246,908.78 = 98,347.21 : x
  2. Step 2: Convert to fraction form
    178,921.41/246,908.78 = 98,347.21/x
  3. Step 3: Cross multiply
    178,921.41x = 246,908.78 × 98,347.21
  4. Step 4: Simplify right side
    178,921.41x = 24,282,788,402.96
  5. Step 5: Solve for x
    x = 24,282,788,402.96/178,921.41
  6. Step 6: Final answer
    x = 135,717.62

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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.