Home / 149,028.08-205,648.44-88,595.60

Finding the Fourth Proportional to 149,028.08, 205,648.44 and 88,595.60

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Solution

The fourth proportional to 149,028.08, 205,648.44 and 88,595.60 is: 122,255.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,028.08 : 205,648.44 = 88,595.60 : x
  2. Step 2: Convert to fraction form
    149,028.08/205,648.44 = 88,595.60/x
  3. Step 3: Cross multiply
    149,028.08x = 205,648.44 × 88,595.60
  4. Step 4: Simplify right side
    149,028.08x = 18,219,546,930.86
  5. Step 5: Solve for x
    x = 18,219,546,930.86/149,028.08
  6. Step 6: Final answer
    x = 122,255.80

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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.