Home / 141,234.40-211,783.20-82,087.12

Finding the Fourth Proportional to 141,234.40, 211,783.20 and 82,087.12

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Solution

The fourth proportional to 141,234.40, 211,783.20 and 82,087.12 is: 123,090.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,234.40 : 211,783.20 = 82,087.12 : x
  2. Step 2: Convert to fraction form
    141,234.40/211,783.20 = 82,087.12/x
  3. Step 3: Cross multiply
    141,234.40x = 211,783.20 × 82,087.12
  4. Step 4: Simplify right side
    141,234.40x = 17,384,672,952.38
  5. Step 5: Solve for x
    x = 17,384,672,952.38/141,234.40
  6. Step 6: Final answer
    x = 123,090.93

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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.