Home / 141,141.50-211,435.44-81,852.60

Finding the Fourth Proportional to 141,141.50, 211,435.44 and 81,852.60

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Solution

The fourth proportional to 141,141.50, 211,435.44 and 81,852.60 is: 122,618.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,141.50 : 211,435.44 = 81,852.60 : x
  2. Step 2: Convert to fraction form
    141,141.50/211,435.44 = 81,852.60/x
  3. Step 3: Cross multiply
    141,141.50x = 211,435.44 × 81,852.60
  4. Step 4: Simplify right side
    141,141.50x = 17,306,540,496.14
  5. Step 5: Solve for x
    x = 17,306,540,496.14/141,141.50
  6. Step 6: Final answer
    x = 122,618.37

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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.