Home / 209,860.83-289,599.49-114,365.48

Finding the Fourth Proportional to 209,860.83, 289,599.49 and 114,365.48

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Solution

The fourth proportional to 209,860.83, 289,599.49 and 114,365.48 is: 157,819.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,860.83 : 289,599.49 = 114,365.48 : x
  2. Step 2: Convert to fraction form
    209,860.83/289,599.49 = 114,365.48/x
  3. Step 3: Cross multiply
    209,860.83x = 289,599.49 × 114,365.48
  4. Step 4: Simplify right side
    209,860.83x = 33,120,182,947.69
  5. Step 5: Solve for x
    x = 33,120,182,947.69/209,860.83
  6. Step 6: Final answer
    x = 157,819.75

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1.5x scale

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.