Home / 209,877.30-289,622.24-114,381.94

Finding the Fourth Proportional to 209,877.30, 289,622.24 and 114,381.94

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Solution

The fourth proportional to 209,877.30, 289,622.24 and 114,381.94 is: 157,842.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,877.30 : 289,622.24 = 114,381.94 : x
  2. Step 2: Convert to fraction form
    209,877.30/289,622.24 = 114,381.94/x
  3. Step 3: Cross multiply
    209,877.30x = 289,622.24 × 114,381.94
  4. Step 4: Simplify right side
    209,877.30x = 33,127,553,106.44
  5. Step 5: Solve for x
    x = 33,127,553,106.44/209,877.30
  6. Step 6: Final answer
    x = 157,842.48

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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.