Home / 194,339.09-291,664.16-100,871.57

Finding the Fourth Proportional to 194,339.09, 291,664.16 and 100,871.57

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Solution

The fourth proportional to 194,339.09, 291,664.16 and 100,871.57 is: 151,388.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,339.09 : 291,664.16 = 100,871.57 : x
  2. Step 2: Convert to fraction form
    194,339.09/291,664.16 = 100,871.57/x
  3. Step 3: Cross multiply
    194,339.09x = 291,664.16 × 100,871.57
  4. Step 4: Simplify right side
    194,339.09x = 29,420,622,335.00
  5. Step 5: Solve for x
    x = 29,420,622,335.00/194,339.09
  6. Step 6: Final answer
    x = 151,388.08

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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.