Home / 198,111.66-273,412.95-113,212.26

Finding the Fourth Proportional to 198,111.66, 273,412.95 and 113,212.26

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Solution

The fourth proportional to 198,111.66, 273,412.95 and 113,212.26 is: 156,243.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,111.66 : 273,412.95 = 113,212.26 : x
  2. Step 2: Convert to fraction form
    198,111.66/273,412.95 = 113,212.26/x
  3. Step 3: Cross multiply
    198,111.66x = 273,412.95 × 113,212.26
  4. Step 4: Simplify right side
    198,111.66x = 30,953,697,982.77
  5. Step 5: Solve for x
    x = 30,953,697,982.77/198,111.66
  6. Step 6: Final answer
    x = 156,243.70

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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.