Home / 194,256.64-291,388.80-54,013.28

Finding the Fourth Proportional to 194,256.64, 291,388.80 and 54,013.28

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Solution

The fourth proportional to 194,256.64, 291,388.80 and 54,013.28 is: 81,020.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,256.64 : 291,388.80 = 54,013.28 : x
  2. Step 2: Convert to fraction form
    194,256.64/291,388.80 = 54,013.28/x
  3. Step 3: Cross multiply
    194,256.64x = 291,388.80 × 54,013.28
  4. Step 4: Simplify right side
    194,256.64x = 15,738,864,843.26
  5. Step 5: Solve for x
    x = 15,738,864,843.26/194,256.64
  6. Step 6: Final answer
    x = 81,020.99

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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.