Home / 171,306.10-256,971.30-52,986.97

Finding the Fourth Proportional to 171,306.10, 256,971.30 and 52,986.97

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Solution

The fourth proportional to 171,306.10, 256,971.30 and 52,986.97 is: 79,484.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,306.10 : 256,971.30 = 52,986.97 : x
  2. Step 2: Convert to fraction form
    171,306.10/256,971.30 = 52,986.97/x
  3. Step 3: Cross multiply
    171,306.10x = 256,971.30 × 52,986.97
  4. Step 4: Simplify right side
    171,306.10x = 13,616,130,563.96
  5. Step 5: Solve for x
    x = 13,616,130,563.96/171,306.10
  6. Step 6: Final answer
    x = 79,484.21

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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.