Home / 282,379.07-389,546.30-186,965.72

Finding the Fourth Proportional to 282,379.07, 389,546.30 and 186,965.72

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Solution

The fourth proportional to 282,379.07, 389,546.30 and 186,965.72 is: 257,922.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,379.07 : 389,546.30 = 186,965.72 : x
  2. Step 2: Convert to fraction form
    282,379.07/389,546.30 = 186,965.72/x
  3. Step 3: Cross multiply
    282,379.07x = 389,546.30 × 186,965.72
  4. Step 4: Simplify right side
    282,379.07x = 72,831,801,570.28
  5. Step 5: Solve for x
    x = 72,831,801,570.28/282,379.07
  6. Step 6: Final answer
    x = 257,922.10

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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.