Home / 290,983.56-401,612.57-182,138.41

Finding the Fourth Proportional to 290,983.56, 401,612.57 and 182,138.41

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Solution

The fourth proportional to 290,983.56, 401,612.57 and 182,138.41 is: 251,385.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,983.56 : 401,612.57 = 182,138.41 : x
  2. Step 2: Convert to fraction form
    290,983.56/401,612.57 = 182,138.41/x
  3. Step 3: Cross multiply
    290,983.56x = 401,612.57 × 182,138.41
  4. Step 4: Simplify right side
    290,983.56x = 73,149,074,935.81
  5. Step 5: Solve for x
    x = 73,149,074,935.81/290,983.56
  6. Step 6: Final answer
    x = 251,385.59

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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.