Home / 373,910.40-515,998.08-204,148.56

Finding the Fourth Proportional to 373,910.40, 515,998.08 and 204,148.56

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Solution

The fourth proportional to 373,910.40, 515,998.08 and 204,148.56 is: 281,725.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,910.40 : 515,998.08 = 204,148.56 : x
  2. Step 2: Convert to fraction form
    373,910.40/515,998.08 = 204,148.56/x
  3. Step 3: Cross multiply
    373,910.40x = 515,998.08 × 204,148.56
  4. Step 4: Simplify right side
    373,910.40x = 105,340,264,994.77
  5. Step 5: Solve for x
    x = 105,340,264,994.77/373,910.40
  6. Step 6: Final answer
    x = 281,725.96

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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.