Home / 209,621.44-289,268.06-114,127.96

Finding the Fourth Proportional to 209,621.44, 289,268.06 and 114,127.96

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Solution

The fourth proportional to 209,621.44, 289,268.06 and 114,127.96 is: 157,491.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,621.44 : 289,268.06 = 114,127.96 : x
  2. Step 2: Convert to fraction form
    209,621.44/289,268.06 = 114,127.96/x
  3. Step 3: Cross multiply
    209,621.44x = 289,268.06 × 114,127.96
  4. Step 4: Simplify right side
    209,621.44x = 33,013,573,580.96
  5. Step 5: Solve for x
    x = 33,013,573,580.96/209,621.44
  6. Step 6: Final answer
    x = 157,491.40

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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.