Home / 209,856.33-289,653.35-162,036.81

Finding the Fourth Proportional to 209,856.33, 289,653.35 and 162,036.81

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Solution

The fourth proportional to 209,856.33, 289,653.35 and 162,036.81 is: 223,650.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,856.33 : 289,653.35 = 162,036.81 : x
  2. Step 2: Convert to fraction form
    209,856.33/289,653.35 = 162,036.81/x
  3. Step 3: Cross multiply
    209,856.33x = 289,653.35 × 162,036.81
  4. Step 4: Simplify right side
    209,856.33x = 46,934,504,029.63
  5. Step 5: Solve for x
    x = 46,934,504,029.63/209,856.33
  6. Step 6: Final answer
    x = 223,650.65

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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.