Home / 209,850.20-314,775.30-189,114.20

Finding the Fourth Proportional to 209,850.20, 314,775.30 and 189,114.20

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Solution

The fourth proportional to 209,850.20, 314,775.30 and 189,114.20 is: 283,671.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,850.20 : 314,775.30 = 189,114.20 : x
  2. Step 2: Convert to fraction form
    209,850.20/314,775.30 = 189,114.20/x
  3. Step 3: Cross multiply
    209,850.20x = 314,775.30 × 189,114.20
  4. Step 4: Simplify right side
    209,850.20x = 59,528,479,039.26
  5. Step 5: Solve for x
    x = 59,528,479,039.26/209,850.20
  6. Step 6: Final answer
    x = 283,671.30

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1.5x scale

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.