Home / 178,342.38-246,072.06-120,989.52

Finding the Fourth Proportional to 178,342.38, 246,072.06 and 120,989.52

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Solution

The fourth proportional to 178,342.38, 246,072.06 and 120,989.52 is: 166,938.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,342.38 : 246,072.06 = 120,989.52 : x
  2. Step 2: Convert to fraction form
    178,342.38/246,072.06 = 120,989.52/x
  3. Step 3: Cross multiply
    178,342.38x = 246,072.06 × 120,989.52
  4. Step 4: Simplify right side
    178,342.38x = 29,772,140,424.81
  5. Step 5: Solve for x
    x = 29,772,140,424.81/178,342.38
  6. Step 6: Final answer
    x = 166,938.11

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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.