Home / 194,923.60-292,039.80-120,965.20

Finding the Fourth Proportional to 194,923.60, 292,039.80 and 120,965.20

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Solution

The fourth proportional to 194,923.60, 292,039.80 and 120,965.20 is: 181,233.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,923.60 : 292,039.80 = 120,965.20 : x
  2. Step 2: Convert to fraction form
    194,923.60/292,039.80 = 120,965.20/x
  3. Step 3: Cross multiply
    194,923.60x = 292,039.80 × 120,965.20
  4. Step 4: Simplify right side
    194,923.60x = 35,326,652,814.96
  5. Step 5: Solve for x
    x = 35,326,652,814.96/194,923.60
  6. Step 6: Final answer
    x = 181,233.33

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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.