Home / 190,475.28-262,882.60-117,901.44

Finding the Fourth Proportional to 190,475.28, 262,882.60 and 117,901.44

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Solution

The fourth proportional to 190,475.28, 262,882.60 and 117,901.44 is: 162,720.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,475.28 : 262,882.60 = 117,901.44 : x
  2. Step 2: Convert to fraction form
    190,475.28/262,882.60 = 117,901.44/x
  3. Step 3: Cross multiply
    190,475.28x = 262,882.60 × 117,901.44
  4. Step 4: Simplify right side
    190,475.28x = 30,994,236,796.19
  5. Step 5: Solve for x
    x = 30,994,236,796.19/190,475.28
  6. Step 6: Final answer
    x = 162,720.52

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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.