Home / 209,177.28-288,738.72-124,293.84

Finding the Fourth Proportional to 209,177.28, 288,738.72 and 124,293.84

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Solution

The fourth proportional to 209,177.28, 288,738.72 and 124,293.84 is: 171,569.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,177.28 : 288,738.72 = 124,293.84 : x
  2. Step 2: Convert to fraction form
    209,177.28/288,738.72 = 124,293.84/x
  3. Step 3: Cross multiply
    209,177.28x = 288,738.72 × 124,293.84
  4. Step 4: Simplify right side
    209,177.28x = 35,888,444,265.48
  5. Step 5: Solve for x
    x = 35,888,444,265.48/209,177.28
  6. Step 6: Final answer
    x = 171,569.51

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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.