Home / 194,150.37-291,106.63-75,683.31

Finding the Fourth Proportional to 194,150.37, 291,106.63 and 75,683.31

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Solution

The fourth proportional to 194,150.37, 291,106.63 and 75,683.31 is: 113,478.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,150.37 : 291,106.63 = 75,683.31 : x
  2. Step 2: Convert to fraction form
    194,150.37/291,106.63 = 75,683.31/x
  3. Step 3: Cross multiply
    194,150.37x = 291,106.63 × 75,683.31
  4. Step 4: Simplify right side
    194,150.37x = 22,031,914,049.11
  5. Step 5: Solve for x
    x = 22,031,914,049.11/194,150.37
  6. Step 6: Final answer
    x = 113,478.61

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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.