Home / 190,979.56-285,067.49-176,905

Finding the Fourth Proportional to 190,979.56, 285,067.49 and 176,905

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Solution

The fourth proportional to 190,979.56, 285,067.49 and 176,905 is: 264,058.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,979.56 : 285,067.49 = 176,905 : x
  2. Step 2: Convert to fraction form
    190,979.56/285,067.49 = 176,905/x
  3. Step 3: Cross multiply
    190,979.56x = 285,067.49 × 176,905
  4. Step 4: Simplify right side
    190,979.56x = 50,429,864,318.45
  5. Step 5: Solve for x
    x = 50,429,864,318.45/190,979.56
  6. Step 6: Final answer
    x = 264,058.96

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.