Home / 209,544.37-289,172.43-114,050.84

Finding the Fourth Proportional to 209,544.37, 289,172.43 and 114,050.84

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Solution

The fourth proportional to 209,544.37, 289,172.43 and 114,050.84 is: 157,390.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,544.37 : 289,172.43 = 114,050.84 : x
  2. Step 2: Convert to fraction form
    209,544.37/289,172.43 = 114,050.84/x
  3. Step 3: Cross multiply
    209,544.37x = 289,172.43 × 114,050.84
  4. Step 4: Simplify right side
    209,544.37x = 32,980,357,100.48
  5. Step 5: Solve for x
    x = 32,980,357,100.48/209,544.37
  6. Step 6: Final answer
    x = 157,390.81

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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.