Home / 171,229.80-257,136.30-112,326.60

Finding the Fourth Proportional to 171,229.80, 257,136.30 and 112,326.60

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Solution

The fourth proportional to 171,229.80, 257,136.30 and 112,326.60 is: 168,681.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,229.80 : 257,136.30 = 112,326.60 : x
  2. Step 2: Convert to fraction form
    171,229.80/257,136.30 = 112,326.60/x
  3. Step 3: Cross multiply
    171,229.80x = 257,136.30 × 112,326.60
  4. Step 4: Simplify right side
    171,229.80x = 28,883,246,315.58
  5. Step 5: Solve for x
    x = 28,883,246,315.58/171,229.80
  6. Step 6: Final answer
    x = 168,681.19

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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.