Home / 198,125.02-273,412.51-113,243.90

Finding the Fourth Proportional to 198,125.02, 273,412.51 and 113,243.90

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Solution

The fourth proportional to 198,125.02, 273,412.51 and 113,243.90 is: 156,276.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,125.02 : 273,412.51 = 113,243.90 : x
  2. Step 2: Convert to fraction form
    198,125.02/273,412.51 = 113,243.90/x
  3. Step 3: Cross multiply
    198,125.02x = 273,412.51 × 113,243.90
  4. Step 4: Simplify right side
    198,125.02x = 30,962,298,941.19
  5. Step 5: Solve for x
    x = 30,962,298,941.19/198,125.02
  6. Step 6: Final answer
    x = 156,276.57

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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.