Home / 178,428.50-246,231.33-98,940.50

Finding the Fourth Proportional to 178,428.50, 246,231.33 and 98,940.50

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Solution

The fourth proportional to 178,428.50, 246,231.33 and 98,940.50 is: 136,537.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,428.50 : 246,231.33 = 98,940.50 : x
  2. Step 2: Convert to fraction form
    178,428.50/246,231.33 = 98,940.50/x
  3. Step 3: Cross multiply
    178,428.50x = 246,231.33 × 98,940.50
  4. Step 4: Simplify right side
    178,428.50x = 24,362,250,905.87
  5. Step 5: Solve for x
    x = 24,362,250,905.87/178,428.50
  6. Step 6: Final answer
    x = 136,537.89

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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.