Home / 208,629-312,675.18-94,693.56

Finding the Fourth Proportional to 208,629, 312,675.18 and 94,693.56

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Solution

The fourth proportional to 208,629, 312,675.18 and 94,693.56 is: 141,918.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,629 : 312,675.18 = 94,693.56 : x
  2. Step 2: Convert to fraction form
    208,629/312,675.18 = 94,693.56/x
  3. Step 3: Cross multiply
    208,629x = 312,675.18 × 94,693.56
  4. Step 4: Simplify right side
    208,629x = 29,608,325,917.84
  5. Step 5: Solve for x
    x = 29,608,325,917.84/208,629
  6. Step 6: Final answer
    x = 141,918.55

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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.