Home / 167,255.21-250,647.03-129,639.12

Finding the Fourth Proportional to 167,255.21, 250,647.03 and 129,639.12

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Solution

The fourth proportional to 167,255.21, 250,647.03 and 129,639.12 is: 194,275.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,255.21 : 250,647.03 = 129,639.12 : x
  2. Step 2: Convert to fraction form
    167,255.21/250,647.03 = 129,639.12/x
  3. Step 3: Cross multiply
    167,255.21x = 250,647.03 × 129,639.12
  4. Step 4: Simplify right side
    167,255.21x = 32,493,660,399.81
  5. Step 5: Solve for x
    x = 32,493,660,399.81/167,255.21
  6. Step 6: Final answer
    x = 194,275.93

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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.