Home / 209,790.31-289,510.66-114,297.00

Finding the Fourth Proportional to 209,790.31, 289,510.66 and 114,297.00

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Solution

The fourth proportional to 209,790.31, 289,510.66 and 114,297.00 is: 157,729.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,790.31 : 289,510.66 = 114,297.00 : x
  2. Step 2: Convert to fraction form
    209,790.31/289,510.66 = 114,297.00/x
  3. Step 3: Cross multiply
    209,790.31x = 289,510.66 × 114,297.00
  4. Step 4: Simplify right side
    209,790.31x = 33,090,200,705.94
  5. Step 5: Solve for x
    x = 33,090,200,705.94/209,790.31
  6. Step 6: Final answer
    x = 157,729.88

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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.