Home / 209,999.19-289,792.56-114,507.75

Finding the Fourth Proportional to 209,999.19, 289,792.56 and 114,507.75

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Solution

The fourth proportional to 209,999.19, 289,792.56 and 114,507.75 is: 158,017.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,999.19 : 289,792.56 = 114,507.75 : x
  2. Step 2: Convert to fraction form
    209,999.19/289,792.56 = 114,507.75/x
  3. Step 3: Cross multiply
    209,999.19x = 289,792.56 × 114,507.75
  4. Step 4: Simplify right side
    209,999.19x = 33,183,494,012.34
  5. Step 5: Solve for x
    x = 33,183,494,012.34/209,999.19
  6. Step 6: Final answer
    x = 158,017.25

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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.