Home / 322,731.19-445,362.71-179,488.16

Finding the Fourth Proportional to 322,731.19, 445,362.71 and 179,488.16

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Solution

The fourth proportional to 322,731.19, 445,362.71 and 179,488.16 is: 247,690.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,731.19 : 445,362.71 = 179,488.16 : x
  2. Step 2: Convert to fraction form
    322,731.19/445,362.71 = 179,488.16/x
  3. Step 3: Cross multiply
    322,731.19x = 445,362.71 × 179,488.16
  4. Step 4: Simplify right side
    322,731.19x = 79,937,333,350.51
  5. Step 5: Solve for x
    x = 79,937,333,350.51/322,731.19
  6. Step 6: Final answer
    x = 247,690.14

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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.