Home / 373,240.22-515,056.18-209,892.06

Finding the Fourth Proportional to 373,240.22, 515,056.18 and 209,892.06

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Solution

The fourth proportional to 373,240.22, 515,056.18 and 209,892.06 is: 289,642.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,240.22 : 515,056.18 = 209,892.06 : x
  2. Step 2: Convert to fraction form
    373,240.22/515,056.18 = 209,892.06/x
  3. Step 3: Cross multiply
    373,240.22x = 515,056.18 × 209,892.06
  4. Step 4: Simplify right side
    373,240.22x = 108,106,202,635.93
  5. Step 5: Solve for x
    x = 108,106,202,635.93/373,240.22
  6. Step 6: Final answer
    x = 289,642.43

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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.