Home / 209,664.40-314,496.60-186,919.60

Finding the Fourth Proportional to 209,664.40, 314,496.60 and 186,919.60

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Solution

The fourth proportional to 209,664.40, 314,496.60 and 186,919.60 is: 280,379.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,664.40 : 314,496.60 = 186,919.60 : x
  2. Step 2: Convert to fraction form
    209,664.40/314,496.60 = 186,919.60/x
  3. Step 3: Cross multiply
    209,664.40x = 314,496.60 × 186,919.60
  4. Step 4: Simplify right side
    209,664.40x = 58,785,578,673.36
  5. Step 5: Solve for x
    x = 58,785,578,673.36/209,664.40
  6. Step 6: Final answer
    x = 280,379.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.