Home / 445,629.29-668,396.54-125,773.25

Finding the Fourth Proportional to 445,629.29, 668,396.54 and 125,773.25

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Solution

The fourth proportional to 445,629.29, 668,396.54 and 125,773.25 is: 188,646.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,629.29 : 668,396.54 = 125,773.25 : x
  2. Step 2: Convert to fraction form
    445,629.29/668,396.54 = 125,773.25/x
  3. Step 3: Cross multiply
    445,629.29x = 668,396.54 × 125,773.25
  4. Step 4: Simplify right side
    445,629.29x = 84,066,401,153.71
  5. Step 5: Solve for x
    x = 84,066,401,153.71/445,629.29
  6. Step 6: Final answer
    x = 188,646.49

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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.