Home / 291,360.10-402,076.83-170,524.39

Finding the Fourth Proportional to 291,360.10, 402,076.83 and 170,524.39

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Solution

The fourth proportional to 291,360.10, 402,076.83 and 170,524.39 is: 235,323.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,360.10 : 402,076.83 = 170,524.39 : x
  2. Step 2: Convert to fraction form
    291,360.10/402,076.83 = 170,524.39/x
  3. Step 3: Cross multiply
    291,360.10x = 402,076.83 × 170,524.39
  4. Step 4: Simplify right side
    291,360.10x = 68,563,906,168.88
  5. Step 5: Solve for x
    x = 68,563,906,168.88/291,360.10
  6. Step 6: Final answer
    x = 235,323.59

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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.