Home / 209,819.56-289,554.42-114,330.28

Finding the Fourth Proportional to 209,819.56, 289,554.42 and 114,330.28

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Solution

The fourth proportional to 209,819.56, 289,554.42 and 114,330.28 is: 157,777.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,819.56 : 289,554.42 = 114,330.28 : x
  2. Step 2: Convert to fraction form
    209,819.56/289,554.42 = 114,330.28/x
  3. Step 3: Cross multiply
    209,819.56x = 289,554.42 × 114,330.28
  4. Step 4: Simplify right side
    209,819.56x = 33,104,837,913.84
  5. Step 5: Solve for x
    x = 33,104,837,913.84/209,819.56
  6. Step 6: Final answer
    x = 157,777.65

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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.