Home / 209,563.16-289,196.86-114,069.56

Finding the Fourth Proportional to 209,563.16, 289,196.86 and 114,069.56

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Solution

The fourth proportional to 209,563.16, 289,196.86 and 114,069.56 is: 157,415.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,563.16 : 289,196.86 = 114,069.56 : x
  2. Step 2: Convert to fraction form
    209,563.16/289,196.86 = 114,069.56/x
  3. Step 3: Cross multiply
    209,563.16x = 289,196.86 × 114,069.56
  4. Step 4: Simplify right side
    209,563.16x = 32,988,558,573.58
  5. Step 5: Solve for x
    x = 32,988,558,573.58/209,563.16
  6. Step 6: Final answer
    x = 157,415.83

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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.