Home / 171,209.80-256,858.44-66,000.52

Finding the Fourth Proportional to 171,209.80, 256,858.44 and 66,000.52

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Solution

The fourth proportional to 171,209.80, 256,858.44 and 66,000.52 is: 99,017.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,209.80 : 256,858.44 = 66,000.52 : x
  2. Step 2: Convert to fraction form
    171,209.80/256,858.44 = 66,000.52/x
  3. Step 3: Cross multiply
    171,209.80x = 256,858.44 × 66,000.52
  4. Step 4: Simplify right side
    171,209.80x = 16,952,790,606.39
  5. Step 5: Solve for x
    x = 16,952,790,606.39/171,209.80
  6. Step 6: Final answer
    x = 99,017.64

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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.