Home / 215,032.72-296,783.94-124,376.08

Finding the Fourth Proportional to 215,032.72, 296,783.94 and 124,376.08

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Solution

The fourth proportional to 215,032.72, 296,783.94 and 124,376.08 is: 171,661.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,032.72 : 296,783.94 = 124,376.08 : x
  2. Step 2: Convert to fraction form
    215,032.72/296,783.94 = 124,376.08/x
  3. Step 3: Cross multiply
    215,032.72x = 296,783.94 × 124,376.08
  4. Step 4: Simplify right side
    215,032.72x = 36,912,823,064.16
  5. Step 5: Solve for x
    x = 36,912,823,064.16/215,032.72
  6. Step 6: Final answer
    x = 171,661.42

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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.