Home / 164,531.43-227,014.32-99,999.54

Finding the Fourth Proportional to 164,531.43, 227,014.32 and 99,999.54

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Solution

The fourth proportional to 164,531.43, 227,014.32 and 99,999.54 is: 137,975.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,531.43 : 227,014.32 = 99,999.54 : x
  2. Step 2: Convert to fraction form
    164,531.43/227,014.32 = 99,999.54/x
  3. Step 3: Cross multiply
    164,531.43x = 227,014.32 × 99,999.54
  4. Step 4: Simplify right side
    164,531.43x = 22,701,327,573.41
  5. Step 5: Solve for x
    x = 22,701,327,573.41/164,531.43
  6. Step 6: Final answer
    x = 137,975.63

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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.