Home / 185,283.29-255,596.64-117,185.78

Finding the Fourth Proportional to 185,283.29, 255,596.64 and 117,185.78

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Solution

The fourth proportional to 185,283.29, 255,596.64 and 117,185.78 is: 161,656.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,283.29 : 255,596.64 = 117,185.78 : x
  2. Step 2: Convert to fraction form
    185,283.29/255,596.64 = 117,185.78/x
  3. Step 3: Cross multiply
    185,283.29x = 255,596.64 × 117,185.78
  4. Step 4: Simplify right side
    185,283.29x = 29,952,291,623.78
  5. Step 5: Solve for x
    x = 29,952,291,623.78/185,283.29
  6. Step 6: Final answer
    x = 161,656.73

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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.