Home / 202,229.35-279,074.75-111,586.16

Finding the Fourth Proportional to 202,229.35, 279,074.75 and 111,586.16

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Solution

The fourth proportional to 202,229.35, 279,074.75 and 111,586.16 is: 153,987.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,229.35 : 279,074.75 = 111,586.16 : x
  2. Step 2: Convert to fraction form
    202,229.35/279,074.75 = 111,586.16/x
  3. Step 3: Cross multiply
    202,229.35x = 279,074.75 × 111,586.16
  4. Step 4: Simplify right side
    202,229.35x = 31,140,879,845.22
  5. Step 5: Solve for x
    x = 31,140,879,845.22/202,229.35
  6. Step 6: Final answer
    x = 153,987.94

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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.