Home / 198,242.07-273,496.19-113,313.57

Finding the Fourth Proportional to 198,242.07, 273,496.19 and 113,313.57

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Solution

The fourth proportional to 198,242.07, 273,496.19 and 113,313.57 is: 156,328.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,242.07 : 273,496.19 = 113,313.57 : x
  2. Step 2: Convert to fraction form
    198,242.07/273,496.19 = 113,313.57/x
  3. Step 3: Cross multiply
    198,242.07x = 273,496.19 × 113,313.57
  4. Step 4: Simplify right side
    198,242.07x = 30,990,829,670.30
  5. Step 5: Solve for x
    x = 30,990,829,670.30/198,242.07
  6. Step 6: Final answer
    x = 156,328.22

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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.