Home / 171,938.45-257,415.60-152,255.45

Finding the Fourth Proportional to 171,938.45, 257,415.60 and 152,255.45

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Solution

The fourth proportional to 171,938.45, 257,415.60 and 152,255.45 is: 227,947.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,938.45 : 257,415.60 = 152,255.45 : x
  2. Step 2: Convert to fraction form
    171,938.45/257,415.60 = 152,255.45/x
  3. Step 3: Cross multiply
    171,938.45x = 257,415.60 × 152,255.45
  4. Step 4: Simplify right side
    171,938.45x = 39,192,928,015.02
  5. Step 5: Solve for x
    x = 39,192,928,015.02/171,938.45
  6. Step 6: Final answer
    x = 227,947.43

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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.