Home / 209,801.56-289,522.48-114,308.94

Finding the Fourth Proportional to 209,801.56, 289,522.48 and 114,308.94

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Solution

The fourth proportional to 209,801.56, 289,522.48 and 114,308.94 is: 157,744.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,801.56 : 289,522.48 = 114,308.94 : x
  2. Step 2: Convert to fraction form
    209,801.56/289,522.48 = 114,308.94/x
  3. Step 3: Cross multiply
    209,801.56x = 289,522.48 × 114,308.94
  4. Step 4: Simplify right side
    209,801.56x = 33,095,007,794.97
  5. Step 5: Solve for x
    x = 33,095,007,794.97/209,801.56
  6. Step 6: Final answer
    x = 157,744.34

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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.