Home / 343,933.35-515,433.45-194,099.55

Finding the Fourth Proportional to 343,933.35, 515,433.45 and 194,099.55

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Solution

The fourth proportional to 343,933.35, 515,433.45 and 194,099.55 is: 290,886.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,933.35 : 515,433.45 = 194,099.55 : x
  2. Step 2: Convert to fraction form
    343,933.35/515,433.45 = 194,099.55/x
  3. Step 3: Cross multiply
    343,933.35x = 515,433.45 × 194,099.55
  4. Step 4: Simplify right side
    343,933.35x = 100,045,400,699.95
  5. Step 5: Solve for x
    x = 100,045,400,699.95/343,933.35
  6. Step 6: Final answer
    x = 290,886.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.