Home / 141,235.40-211,784.70-82,088.12

Finding the Fourth Proportional to 141,235.40, 211,784.70 and 82,088.12

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Solution

The fourth proportional to 141,235.40, 211,784.70 and 82,088.12 is: 123,092.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,235.40 : 211,784.70 = 82,088.12 : x
  2. Step 2: Convert to fraction form
    141,235.40/211,784.70 = 82,088.12/x
  3. Step 3: Cross multiply
    141,235.40x = 211,784.70 × 82,088.12
  4. Step 4: Simplify right side
    141,235.40x = 17,385,007,867.76
  5. Step 5: Solve for x
    x = 17,385,007,867.76/141,235.40
  6. Step 6: Final answer
    x = 123,092.42

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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.