Home / 178,826.88-246,688.56-121,469.16

Finding the Fourth Proportional to 178,826.88, 246,688.56 and 121,469.16

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Solution

The fourth proportional to 178,826.88, 246,688.56 and 121,469.16 is: 167,564.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,826.88 : 246,688.56 = 121,469.16 : x
  2. Step 2: Convert to fraction form
    178,826.88/246,688.56 = 121,469.16/x
  3. Step 3: Cross multiply
    178,826.88x = 246,688.56 × 121,469.16
  4. Step 4: Simplify right side
    178,826.88x = 29,965,052,164.81
  5. Step 5: Solve for x
    x = 29,965,052,164.81/178,826.88
  6. Step 6: Final answer
    x = 167,564.59

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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.