Home / 190,511.28-262,897.11-104,471.10

Finding the Fourth Proportional to 190,511.28, 262,897.11 and 104,471.10

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Solution

The fourth proportional to 190,511.28, 262,897.11 and 104,471.10 is: 144,165.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,511.28 : 262,897.11 = 104,471.10 : x
  2. Step 2: Convert to fraction form
    190,511.28/262,897.11 = 104,471.10/x
  3. Step 3: Cross multiply
    190,511.28x = 262,897.11 × 104,471.10
  4. Step 4: Simplify right side
    190,511.28x = 27,465,150,268.52
  5. Step 5: Solve for x
    x = 27,465,150,268.52/190,511.28
  6. Step 6: Final answer
    x = 144,165.48

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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.