Home / 180,202.33-270,041.05-86,598.73

Finding the Fourth Proportional to 180,202.33, 270,041.05 and 86,598.73

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Solution

The fourth proportional to 180,202.33, 270,041.05 and 86,598.73 is: 129,771.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,202.33 : 270,041.05 = 86,598.73 : x
  2. Step 2: Convert to fraction form
    180,202.33/270,041.05 = 86,598.73/x
  3. Step 3: Cross multiply
    180,202.33x = 270,041.05 × 86,598.73
  4. Step 4: Simplify right side
    180,202.33x = 23,385,211,977.87
  5. Step 5: Solve for x
    x = 23,385,211,977.87/180,202.33
  6. Step 6: Final answer
    x = 129,771.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.