Home / 171,002.28-256,365.06-71,237.42

Finding the Fourth Proportional to 171,002.28, 256,365.06 and 71,237.42

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Solution

The fourth proportional to 171,002.28, 256,365.06 and 71,237.42 is: 106,798.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,002.28 : 256,365.06 = 71,237.42 : x
  2. Step 2: Convert to fraction form
    171,002.28/256,365.06 = 71,237.42/x
  3. Step 3: Cross multiply
    171,002.28x = 256,365.06 × 71,237.42
  4. Step 4: Simplify right side
    171,002.28x = 18,262,785,452.55
  5. Step 5: Solve for x
    x = 18,262,785,452.55/171,002.28
  6. Step 6: Final answer
    x = 106,798.49

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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.