Home / 157,783.33-217,761.57-89,787.07

Finding the Fourth Proportional to 157,783.33, 217,761.57 and 89,787.07

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Solution

The fourth proportional to 157,783.33, 217,761.57 and 89,787.07 is: 123,917.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,783.33 : 217,761.57 = 89,787.07 : x
  2. Step 2: Convert to fraction form
    157,783.33/217,761.57 = 89,787.07/x
  3. Step 3: Cross multiply
    157,783.33x = 217,761.57 × 89,787.07
  4. Step 4: Simplify right side
    157,783.33x = 19,552,171,791.16
  5. Step 5: Solve for x
    x = 19,552,171,791.16/157,783.33
  6. Step 6: Final answer
    x = 123,917.86

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1.5x scale

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.