Home / 345,219.86-476,369.37-192,272.33

Finding the Fourth Proportional to 345,219.86, 476,369.37 and 192,272.33

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Solution

The fourth proportional to 345,219.86, 476,369.37 and 192,272.33 is: 265,316.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,219.86 : 476,369.37 = 192,272.33 : x
  2. Step 2: Convert to fraction form
    345,219.86/476,369.37 = 192,272.33/x
  3. Step 3: Cross multiply
    345,219.86x = 476,369.37 × 192,272.33
  4. Step 4: Simplify right side
    345,219.86x = 91,592,649,901.46
  5. Step 5: Solve for x
    x = 91,592,649,901.46/345,219.86
  6. Step 6: Final answer
    x = 265,316.86

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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.