Home / 209,537.62-289,153.33-118,891.63

Finding the Fourth Proportional to 209,537.62, 289,153.33 and 118,891.63

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Solution

The fourth proportional to 209,537.62, 289,153.33 and 118,891.63 is: 164,065.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,537.62 : 289,153.33 = 118,891.63 : x
  2. Step 2: Convert to fraction form
    209,537.62/289,153.33 = 118,891.63/x
  3. Step 3: Cross multiply
    209,537.62x = 289,153.33 × 118,891.63
  4. Step 4: Simplify right side
    209,537.62x = 34,377,910,787.84
  5. Step 5: Solve for x
    x = 34,377,910,787.84/209,537.62
  6. Step 6: Final answer
    x = 164,065.58

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1.5x scale

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.