Home / 157,745.86-236,241.56-90,983.58

Finding the Fourth Proportional to 157,745.86, 236,241.56 and 90,983.58

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Solution

The fourth proportional to 157,745.86, 236,241.56 and 90,983.58 is: 136,257.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,745.86 : 236,241.56 = 90,983.58 : x
  2. Step 2: Convert to fraction form
    157,745.86/236,241.56 = 90,983.58/x
  3. Step 3: Cross multiply
    157,745.86x = 236,241.56 × 90,983.58
  4. Step 4: Simplify right side
    157,745.86x = 21,494,102,873.58
  5. Step 5: Solve for x
    x = 21,494,102,873.58/157,745.86
  6. Step 6: Final answer
    x = 136,257.79

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1.5x scale

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.