Home / 322,888.47-445,579.13-186,928.17

Finding the Fourth Proportional to 322,888.47, 445,579.13 and 186,928.17

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Solution

The fourth proportional to 322,888.47, 445,579.13 and 186,928.17 is: 257,956.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,888.47 : 445,579.13 = 186,928.17 : x
  2. Step 2: Convert to fraction form
    322,888.47/445,579.13 = 186,928.17/x
  3. Step 3: Cross multiply
    322,888.47x = 445,579.13 × 186,928.17
  4. Step 4: Simplify right side
    322,888.47x = 83,291,289,133.20
  5. Step 5: Solve for x
    x = 83,291,289,133.20/322,888.47
  6. Step 6: Final answer
    x = 257,956.84

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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.