Home / 113,455.62-170,161.47-43,318.26

Finding the Fourth Proportional to 113,455.62, 170,161.47 and 43,318.26

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Solution

The fourth proportional to 113,455.62, 170,161.47 and 43,318.26 is: 64,969.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,455.62 : 170,161.47 = 43,318.26 : x
  2. Step 2: Convert to fraction form
    113,455.62/170,161.47 = 43,318.26/x
  3. Step 3: Cross multiply
    113,455.62x = 170,161.47 × 43,318.26
  4. Step 4: Simplify right side
    113,455.62x = 7,371,098,799.44
  5. Step 5: Solve for x
    x = 7,371,098,799.44/113,455.62
  6. Step 6: Final answer
    x = 64,969.01

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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.