Home / 199,611.30-299,417.31-133,181.22

Finding the Fourth Proportional to 199,611.30, 299,417.31 and 133,181.22

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Solution

The fourth proportional to 199,611.30, 299,417.31 and 133,181.22 is: 199,772.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,611.30 : 299,417.31 = 133,181.22 : x
  2. Step 2: Convert to fraction form
    199,611.30/299,417.31 = 133,181.22/x
  3. Step 3: Cross multiply
    199,611.30x = 299,417.31 × 133,181.22
  4. Step 4: Simplify right side
    199,611.30x = 39,876,762,634.92
  5. Step 5: Solve for x
    x = 39,876,762,634.92/199,611.30
  6. Step 6: Final answer
    x = 199,772.07

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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.