Home / 209,544.87-289,173.12-114,051.34

Finding the Fourth Proportional to 209,544.87, 289,173.12 and 114,051.34

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Solution

The fourth proportional to 209,544.87, 289,173.12 and 114,051.34 is: 157,391.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,544.87 : 289,173.12 = 114,051.34 : x
  2. Step 2: Convert to fraction form
    209,544.87/289,173.12 = 114,051.34/x
  3. Step 3: Cross multiply
    209,544.87x = 289,173.12 × 114,051.34
  4. Step 4: Simplify right side
    209,544.87x = 32,980,580,382.12
  5. Step 5: Solve for x
    x = 32,980,580,382.12/209,544.87
  6. Step 6: Final answer
    x = 157,391.50

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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.