Home / 157,571.82-236,357.76-52,391.70

Finding the Fourth Proportional to 157,571.82, 236,357.76 and 52,391.70

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Solution

The fourth proportional to 157,571.82, 236,357.76 and 52,391.70 is: 78,587.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,571.82 : 236,357.76 = 52,391.70 : x
  2. Step 2: Convert to fraction form
    157,571.82/236,357.76 = 52,391.70/x
  3. Step 3: Cross multiply
    157,571.82x = 236,357.76 × 52,391.70
  4. Step 4: Simplify right side
    157,571.82x = 12,383,184,854.59
  5. Step 5: Solve for x
    x = 12,383,184,854.59/157,571.82
  6. Step 6: Final answer
    x = 78,587.56

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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.