Home / 194,278.02-291,417.60-54,036.78

Finding the Fourth Proportional to 194,278.02, 291,417.60 and 54,036.78

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Solution

The fourth proportional to 194,278.02, 291,417.60 and 54,036.78 is: 81,055.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,278.02 : 291,417.60 = 54,036.78 : x
  2. Step 2: Convert to fraction form
    194,278.02/291,417.60 = 54,036.78/x
  3. Step 3: Cross multiply
    194,278.02x = 291,417.60 × 54,036.78
  4. Step 4: Simplify right side
    194,278.02x = 15,747,268,739.33
  5. Step 5: Solve for x
    x = 15,747,268,739.33/194,278.02
  6. Step 6: Final answer
    x = 81,055.33

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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.