Home / 169,787.31-254,731.89-68,533.26

Finding the Fourth Proportional to 169,787.31, 254,731.89 and 68,533.26

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Solution

The fourth proportional to 169,787.31, 254,731.89 and 68,533.26 is: 102,820.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,787.31 : 254,731.89 = 68,533.26 : x
  2. Step 2: Convert to fraction form
    169,787.31/254,731.89 = 68,533.26/x
  3. Step 3: Cross multiply
    169,787.31x = 254,731.89 × 68,533.26
  4. Step 4: Simplify right side
    169,787.31x = 17,457,606,847.66
  5. Step 5: Solve for x
    x = 17,457,606,847.66/169,787.31
  6. Step 6: Final answer
    x = 102,820.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.