Home / 149,926.40-206,897.94-81,943.38

Finding the Fourth Proportional to 149,926.40, 206,897.94 and 81,943.38

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Solution

The fourth proportional to 149,926.40, 206,897.94 and 81,943.38 is: 113,081.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,926.40 : 206,897.94 = 81,943.38 : x
  2. Step 2: Convert to fraction form
    149,926.40/206,897.94 = 81,943.38/x
  3. Step 3: Cross multiply
    149,926.40x = 206,897.94 × 81,943.38
  4. Step 4: Simplify right side
    149,926.40x = 16,953,916,518.64
  5. Step 5: Solve for x
    x = 16,953,916,518.64/149,926.40
  6. Step 6: Final answer
    x = 113,081.60

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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.