Home / 373,578.11-515,536.02-203,812.25

Finding the Fourth Proportional to 373,578.11, 515,536.02 and 203,812.25

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Solution

The fourth proportional to 373,578.11, 515,536.02 and 203,812.25 is: 281,259.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,578.11 : 515,536.02 = 203,812.25 : x
  2. Step 2: Convert to fraction form
    373,578.11/515,536.02 = 203,812.25/x
  3. Step 3: Cross multiply
    373,578.11x = 515,536.02 × 203,812.25
  4. Step 4: Simplify right side
    373,578.11x = 105,072,556,192.25
  5. Step 5: Solve for x
    x = 105,072,556,192.25/373,578.11
  6. Step 6: Final answer
    x = 281,259.94

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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.