Home / 299,206.08-412,940.90-171,881.36

Finding the Fourth Proportional to 299,206.08, 412,940.90 and 171,881.36

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Solution

The fourth proportional to 299,206.08, 412,940.90 and 171,881.36 is: 237,217.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,206.08 : 412,940.90 = 171,881.36 : x
  2. Step 2: Convert to fraction form
    299,206.08/412,940.90 = 171,881.36/x
  3. Step 3: Cross multiply
    299,206.08x = 412,940.90 × 171,881.36
  4. Step 4: Simplify right side
    299,206.08x = 70,976,843,491.62
  5. Step 5: Solve for x
    x = 70,976,843,491.62/299,206.08
  6. Step 6: Final answer
    x = 237,217.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.