Home / 209,712.60-289,403.79-114,217.26

Finding the Fourth Proportional to 209,712.60, 289,403.79 and 114,217.26

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Solution

The fourth proportional to 209,712.60, 289,403.79 and 114,217.26 is: 157,620.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,712.60 : 289,403.79 = 114,217.26 : x
  2. Step 2: Convert to fraction form
    209,712.60/289,403.79 = 114,217.26/x
  3. Step 3: Cross multiply
    209,712.60x = 289,403.79 × 114,217.26
  4. Step 4: Simplify right side
    209,712.60x = 33,054,907,927.42
  5. Step 5: Solve for x
    x = 33,054,907,927.42/209,712.60
  6. Step 6: Final answer
    x = 157,620.04

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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.