Home / 322,820.59-445,541.13-186,943.31

Finding the Fourth Proportional to 322,820.59, 445,541.13 and 186,943.31

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Solution

The fourth proportional to 322,820.59, 445,541.13 and 186,943.31 is: 258,009.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,820.59 : 445,541.13 = 186,943.31 : x
  2. Step 2: Convert to fraction form
    322,820.59/445,541.13 = 186,943.31/x
  3. Step 3: Cross multiply
    322,820.59x = 445,541.13 × 186,943.31
  4. Step 4: Simplify right side
    322,820.59x = 83,290,932,036.22
  5. Step 5: Solve for x
    x = 83,290,932,036.22/322,820.59
  6. Step 6: Final answer
    x = 258,009.97

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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.