Home / 190,311.12-262,610.10-113,815.02

Finding the Fourth Proportional to 190,311.12, 262,610.10 and 113,815.02

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Solution

The fourth proportional to 190,311.12, 262,610.10 and 113,815.02 is: 157,053.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,311.12 : 262,610.10 = 113,815.02 : x
  2. Step 2: Convert to fraction form
    190,311.12/262,610.10 = 113,815.02/x
  3. Step 3: Cross multiply
    190,311.12x = 262,610.10 × 113,815.02
  4. Step 4: Simplify right side
    190,311.12x = 29,888,974,768.49
  5. Step 5: Solve for x
    x = 29,888,974,768.49/190,311.12
  6. Step 6: Final answer
    x = 157,053.22

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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.