Home / 190,468.46-262,778.70-109,916.36

Finding the Fourth Proportional to 190,468.46, 262,778.70 and 109,916.36

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Solution

The fourth proportional to 190,468.46, 262,778.70 and 109,916.36 is: 151,645.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,468.46 : 262,778.70 = 109,916.36 : x
  2. Step 2: Convert to fraction form
    190,468.46/262,778.70 = 109,916.36/x
  3. Step 3: Cross multiply
    190,468.46x = 262,778.70 × 109,916.36
  4. Step 4: Simplify right side
    190,468.46x = 28,883,678,189.53
  5. Step 5: Solve for x
    x = 28,883,678,189.53/190,468.46
  6. Step 6: Final answer
    x = 151,645.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.