Home / 160,704.09-221,769.90-92,720.25

Finding the Fourth Proportional to 160,704.09, 221,769.90 and 92,720.25

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Solution

The fourth proportional to 160,704.09, 221,769.90 and 92,720.25 is: 127,952.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,704.09 : 221,769.90 = 92,720.25 : x
  2. Step 2: Convert to fraction form
    160,704.09/221,769.90 = 92,720.25/x
  3. Step 3: Cross multiply
    160,704.09x = 221,769.90 × 92,720.25
  4. Step 4: Simplify right side
    160,704.09x = 20,562,560,570.48
  5. Step 5: Solve for x
    x = 20,562,560,570.48/160,704.09
  6. Step 6: Final answer
    x = 127,952.94

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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.