Home / 209,585.07-289,228.73-114,091.74

Finding the Fourth Proportional to 209,585.07, 289,228.73 and 114,091.74

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Solution

The fourth proportional to 209,585.07, 289,228.73 and 114,091.74 is: 157,447.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,585.07 : 289,228.73 = 114,091.74 : x
  2. Step 2: Convert to fraction form
    209,585.07/289,228.73 = 114,091.74/x
  3. Step 3: Cross multiply
    209,585.07x = 289,228.73 × 114,091.74
  4. Step 4: Simplify right side
    209,585.07x = 32,998,608,493.23
  5. Step 5: Solve for x
    x = 32,998,608,493.23/209,585.07
  6. Step 6: Final answer
    x = 157,447.32

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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.