Home / 373,677.03-515,669.49-203,900.22

Finding the Fourth Proportional to 373,677.03, 515,669.49 and 203,900.22

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Solution

The fourth proportional to 373,677.03, 515,669.49 and 203,900.22 is: 281,379.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,677.03 : 515,669.49 = 203,900.22 : x
  2. Step 2: Convert to fraction form
    373,677.03/515,669.49 = 203,900.22/x
  3. Step 3: Cross multiply
    373,677.03x = 515,669.49 × 203,900.22
  4. Step 4: Simplify right side
    373,677.03x = 105,145,122,458.29
  5. Step 5: Solve for x
    x = 105,145,122,458.29/373,677.03
  6. Step 6: Final answer
    x = 281,379.68

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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.