Home / 197,847.33-273,034.40-121,408.66

Finding the Fourth Proportional to 197,847.33, 273,034.40 and 121,408.66

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Solution

The fourth proportional to 197,847.33, 273,034.40 and 121,408.66 is: 167,547.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,847.33 : 273,034.40 = 121,408.66 : x
  2. Step 2: Convert to fraction form
    197,847.33/273,034.40 = 121,408.66/x
  3. Step 3: Cross multiply
    197,847.33x = 273,034.40 × 121,408.66
  4. Step 4: Simplify right side
    197,847.33x = 33,148,740,637.90
  5. Step 5: Solve for x
    x = 33,148,740,637.90/197,847.33
  6. Step 6: Final answer
    x = 167,547.07

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1.5x scale

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.