Home / 352,964.45-487,109.61-200,032.40

Finding the Fourth Proportional to 352,964.45, 487,109.61 and 200,032.40

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Solution

The fourth proportional to 352,964.45, 487,109.61 and 200,032.40 is: 276,055.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,964.45 : 487,109.61 = 200,032.40 : x
  2. Step 2: Convert to fraction form
    352,964.45/487,109.61 = 200,032.40/x
  3. Step 3: Cross multiply
    352,964.45x = 487,109.61 × 200,032.40
  4. Step 4: Simplify right side
    352,964.45x = 97,437,704,351.36
  5. Step 5: Solve for x
    x = 97,437,704,351.36/352,964.45
  6. Step 6: Final answer
    x = 276,055.29

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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.