Home / 198,192.03-273,486.53-112,158.86

Finding the Fourth Proportional to 198,192.03, 273,486.53 and 112,158.86

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Solution

The fourth proportional to 198,192.03, 273,486.53 and 112,158.86 is: 154,768.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,192.03 : 273,486.53 = 112,158.86 : x
  2. Step 2: Convert to fraction form
    198,192.03/273,486.53 = 112,158.86/x
  3. Step 3: Cross multiply
    198,192.03x = 273,486.53 × 112,158.86
  4. Step 4: Simplify right side
    198,192.03x = 30,673,935,501.93
  5. Step 5: Solve for x
    x = 30,673,935,501.93/198,192.03
  6. Step 6: Final answer
    x = 154,768.76

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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.