Home / 202,202.83-279,038.14-111,559.60

Finding the Fourth Proportional to 202,202.83, 279,038.14 and 111,559.60

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Solution

The fourth proportional to 202,202.83, 279,038.14 and 111,559.60 is: 153,951.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,202.83 : 279,038.14 = 111,559.60 : x
  2. Step 2: Convert to fraction form
    202,202.83/279,038.14 = 111,559.60/x
  3. Step 3: Cross multiply
    202,202.83x = 279,038.14 × 111,559.60
  4. Step 4: Simplify right side
    202,202.83x = 31,129,383,283.14
  5. Step 5: Solve for x
    x = 31,129,383,283.14/202,202.83
  6. Step 6: Final answer
    x = 153,951.27

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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.