Home / 209,738.20-314,607.30-168,266.20

Finding the Fourth Proportional to 209,738.20, 314,607.30 and 168,266.20

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Solution

The fourth proportional to 209,738.20, 314,607.30 and 168,266.20 is: 252,399.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,738.20 : 314,607.30 = 168,266.20 : x
  2. Step 2: Convert to fraction form
    209,738.20/314,607.30 = 168,266.20/x
  3. Step 3: Cross multiply
    209,738.20x = 314,607.30 × 168,266.20
  4. Step 4: Simplify right side
    209,738.20x = 52,937,774,863.26
  5. Step 5: Solve for x
    x = 52,937,774,863.26/209,738.20
  6. Step 6: Final answer
    x = 252,399.30

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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.