Home / 209,441.25-289,033.90-118,803.33

Finding the Fourth Proportional to 209,441.25, 289,033.90 and 118,803.33

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Solution

The fourth proportional to 209,441.25, 289,033.90 and 118,803.33 is: 163,951.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,441.25 : 289,033.90 = 118,803.33 : x
  2. Step 2: Convert to fraction form
    209,441.25/289,033.90 = 118,803.33/x
  3. Step 3: Cross multiply
    209,441.25x = 289,033.90 × 118,803.33
  4. Step 4: Simplify right side
    209,441.25x = 34,338,189,505.88
  5. Step 5: Solve for x
    x = 34,338,189,505.88/209,441.25
  6. Step 6: Final answer
    x = 163,951.42

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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.