Home / 209,845.12-289,586.64-114,352.24

Finding the Fourth Proportional to 209,845.12, 289,586.64 and 114,352.24

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Solution

The fourth proportional to 209,845.12, 289,586.64 and 114,352.24 is: 157,806.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,845.12 : 289,586.64 = 114,352.24 : x
  2. Step 2: Convert to fraction form
    209,845.12/289,586.64 = 114,352.24/x
  3. Step 3: Cross multiply
    209,845.12x = 289,586.64 × 114,352.24
  4. Step 4: Simplify right side
    209,845.12x = 33,114,880,958.07
  5. Step 5: Solve for x
    x = 33,114,880,958.07/209,845.12
  6. Step 6: Final answer
    x = 157,806.30

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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.