Home / 373,190.07-514,982.87-212,022.75

Finding the Fourth Proportional to 373,190.07, 514,982.87 and 212,022.75

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Solution

The fourth proportional to 373,190.07, 514,982.87 and 212,022.75 is: 292,580.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,190.07 : 514,982.87 = 212,022.75 : x
  2. Step 2: Convert to fraction form
    373,190.07/514,982.87 = 212,022.75/x
  3. Step 3: Cross multiply
    373,190.07x = 514,982.87 × 212,022.75
  4. Step 4: Simplify right side
    373,190.07x = 109,188,083,240.18
  5. Step 5: Solve for x
    x = 109,188,083,240.18/373,190.07
  6. Step 6: Final answer
    x = 292,580.36

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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.