Home / 190,140.50-262,396.98-104,098.03

Finding the Fourth Proportional to 190,140.50, 262,396.98 and 104,098.03

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Solution

The fourth proportional to 190,140.50, 262,396.98 and 104,098.03 is: 143,656.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,140.50 : 262,396.98 = 104,098.03 : x
  2. Step 2: Convert to fraction form
    190,140.50/262,396.98 = 104,098.03/x
  3. Step 3: Cross multiply
    190,140.50x = 262,396.98 × 104,098.03
  4. Step 4: Simplify right side
    190,140.50x = 27,315,007,123.72
  5. Step 5: Solve for x
    x = 27,315,007,123.72/190,140.50
  6. Step 6: Final answer
    x = 143,656.97

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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.