Home / 209,839.72-289,569.81-119,195.41

Finding the Fourth Proportional to 209,839.72, 289,569.81 and 119,195.41

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Solution

The fourth proportional to 209,839.72, 289,569.81 and 119,195.41 is: 164,484.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,839.72 : 289,569.81 = 119,195.41 : x
  2. Step 2: Convert to fraction form
    209,839.72/289,569.81 = 119,195.41/x
  3. Step 3: Cross multiply
    209,839.72x = 289,569.81 × 119,195.41
  4. Step 4: Simplify right side
    209,839.72x = 34,515,392,226.57
  5. Step 5: Solve for x
    x = 34,515,392,226.57/209,839.72
  6. Step 6: Final answer
    x = 164,484.55

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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.