Home / 198,130.16-273,438.48-113,230.76

Finding the Fourth Proportional to 198,130.16, 273,438.48 and 113,230.76

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Solution

The fourth proportional to 198,130.16, 273,438.48 and 113,230.76 is: 156,269.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,130.16 : 273,438.48 = 113,230.76 : x
  2. Step 2: Convert to fraction form
    198,130.16/273,438.48 = 113,230.76/x
  3. Step 3: Cross multiply
    198,130.16x = 273,438.48 × 113,230.76
  4. Step 4: Simplify right side
    198,130.16x = 30,961,646,903.64
  5. Step 5: Solve for x
    x = 30,961,646,903.64/198,130.16
  6. Step 6: Final answer
    x = 156,269.23

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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.