Home / 322,881.34-445,569.29-186,921.04

Finding the Fourth Proportional to 322,881.34, 445,569.29 and 186,921.04

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Solution

The fourth proportional to 322,881.34, 445,569.29 and 186,921.04 is: 257,947.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,881.34 : 445,569.29 = 186,921.04 : x
  2. Step 2: Convert to fraction form
    322,881.34/445,569.29 = 186,921.04/x
  3. Step 3: Cross multiply
    322,881.34x = 445,569.29 × 186,921.04
  4. Step 4: Simplify right side
    322,881.34x = 83,286,275,078.86
  5. Step 5: Solve for x
    x = 83,286,275,078.86/322,881.34
  6. Step 6: Final answer
    x = 257,947.01

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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.