Home / 178,990.45-247,007.73-98,423.17

Finding the Fourth Proportional to 178,990.45, 247,007.73 and 98,423.17

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Solution

The fourth proportional to 178,990.45, 247,007.73 and 98,423.17 is: 135,824.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,990.45 : 247,007.73 = 98,423.17 : x
  2. Step 2: Convert to fraction form
    178,990.45/247,007.73 = 98,423.17/x
  3. Step 3: Cross multiply
    178,990.45x = 247,007.73 × 98,423.17
  4. Step 4: Simplify right side
    178,990.45x = 24,311,283,801.10
  5. Step 5: Solve for x
    x = 24,311,283,801.10/178,990.45
  6. Step 6: Final answer
    x = 135,824.47

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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.