Home / 194,293.02-291,440.07-54,051.78

Finding the Fourth Proportional to 194,293.02, 291,440.07 and 54,051.78

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Solution

The fourth proportional to 194,293.02, 291,440.07 and 54,051.78 is: 81,077.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,293.02 : 291,440.07 = 54,051.78 : x
  2. Step 2: Convert to fraction form
    194,293.02/291,440.07 = 54,051.78/x
  3. Step 3: Cross multiply
    194,293.02x = 291,440.07 × 54,051.78
  4. Step 4: Simplify right side
    194,293.02x = 15,752,854,546.82
  5. Step 5: Solve for x
    x = 15,752,854,546.82/194,293.02
  6. Step 6: Final answer
    x = 81,077.82

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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.