Home / 373,680.03-515,689.34-203,925.09

Finding the Fourth Proportional to 373,680.03, 515,689.34 and 203,925.09

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Solution

The fourth proportional to 373,680.03, 515,689.34 and 203,925.09 is: 281,422.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,680.03 : 515,689.34 = 203,925.09 : x
  2. Step 2: Convert to fraction form
    373,680.03/515,689.34 = 203,925.09/x
  3. Step 3: Cross multiply
    373,680.03x = 515,689.34 × 203,925.09
  4. Step 4: Simplify right side
    373,680.03x = 105,161,994,051.92
  5. Step 5: Solve for x
    x = 105,161,994,051.92/373,680.03
  6. Step 6: Final answer
    x = 281,422.57

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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.