Home / 209,574.14-289,204.95-114,078.79

Finding the Fourth Proportional to 209,574.14, 289,204.95 and 114,078.79

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Solution

The fourth proportional to 209,574.14, 289,204.95 and 114,078.79 is: 157,424.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,574.14 : 289,204.95 = 114,078.79 : x
  2. Step 2: Convert to fraction form
    209,574.14/289,204.95 = 114,078.79/x
  3. Step 3: Cross multiply
    209,574.14x = 289,204.95 × 114,078.79
  4. Step 4: Simplify right side
    209,574.14x = 32,992,150,035.00
  5. Step 5: Solve for x
    x = 32,992,150,035.00/209,574.14
  6. Step 6: Final answer
    x = 157,424.72

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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.