Home / 209,178.33-288,690.66-124,295.46

Finding the Fourth Proportional to 209,178.33, 288,690.66 and 124,295.46

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Solution

The fourth proportional to 209,178.33, 288,690.66 and 124,295.46 is: 171,542.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,178.33 : 288,690.66 = 124,295.46 : x
  2. Step 2: Convert to fraction form
    209,178.33/288,690.66 = 124,295.46/x
  3. Step 3: Cross multiply
    209,178.33x = 288,690.66 × 124,295.46
  4. Step 4: Simplify right side
    209,178.33x = 35,882,938,382.40
  5. Step 5: Solve for x
    x = 35,882,938,382.40/209,178.33
  6. Step 6: Final answer
    x = 171,542.33

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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.