Home / 287,935.75-397,326.43-185,965.66

Finding the Fourth Proportional to 287,935.75, 397,326.43 and 185,965.66

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Solution

The fourth proportional to 287,935.75, 397,326.43 and 185,965.66 is: 256,616.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,935.75 : 397,326.43 = 185,965.66 : x
  2. Step 2: Convert to fraction form
    287,935.75/397,326.43 = 185,965.66/x
  3. Step 3: Cross multiply
    287,935.75x = 397,326.43 × 185,965.66
  4. Step 4: Simplify right side
    287,935.75x = 73,889,071,790.39
  5. Step 5: Solve for x
    x = 73,889,071,790.39/287,935.75
  6. Step 6: Final answer
    x = 256,616.53

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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.