Home / 209,624.63-289,272.29-114,131.03

Finding the Fourth Proportional to 209,624.63, 289,272.29 and 114,131.03

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Solution

The fourth proportional to 209,624.63, 289,272.29 and 114,131.03 is: 157,495.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,624.63 : 289,272.29 = 114,131.03 : x
  2. Step 2: Convert to fraction form
    209,624.63/289,272.29 = 114,131.03/x
  3. Step 3: Cross multiply
    209,624.63x = 289,272.29 × 114,131.03
  4. Step 4: Simplify right side
    209,624.63x = 33,014,942,391.14
  5. Step 5: Solve for x
    x = 33,014,942,391.14/209,624.63
  6. Step 6: Final answer
    x = 157,495.53

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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.