Home / 281,943.40-422,816.73-113,420.02

Finding the Fourth Proportional to 281,943.40, 422,816.73 and 113,420.02

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Solution

The fourth proportional to 281,943.40, 422,816.73 and 113,420.02 is: 170,090.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,943.40 : 422,816.73 = 113,420.02 : x
  2. Step 2: Convert to fraction form
    281,943.40/422,816.73 = 113,420.02/x
  3. Step 3: Cross multiply
    281,943.40x = 422,816.73 × 113,420.02
  4. Step 4: Simplify right side
    281,943.40x = 47,955,881,972.93
  5. Step 5: Solve for x
    x = 47,955,881,972.93/281,943.40
  6. Step 6: Final answer
    x = 170,090.46

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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.