Home / 209,599.27-289,286.85-118,963.72

Finding the Fourth Proportional to 209,599.27, 289,286.85 and 118,963.72

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Solution

The fourth proportional to 209,599.27, 289,286.85 and 118,963.72 is: 164,192.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,599.27 : 289,286.85 = 118,963.72 : x
  2. Step 2: Convert to fraction form
    209,599.27/289,286.85 = 118,963.72/x
  3. Step 3: Cross multiply
    209,599.27x = 289,286.85 × 118,963.72
  4. Step 4: Simplify right side
    209,599.27x = 34,414,639,823.08
  5. Step 5: Solve for x
    x = 34,414,639,823.08/209,599.27
  6. Step 6: Final answer
    x = 164,192.56

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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.