Home / 209,841.36-314,645.40-83,471.64

Finding the Fourth Proportional to 209,841.36, 314,645.40 and 83,471.64

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Solution

The fourth proportional to 209,841.36, 314,645.40 and 83,471.64 is: 125,161.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,841.36 : 314,645.40 = 83,471.64 : x
  2. Step 2: Convert to fraction form
    209,841.36/314,645.40 = 83,471.64/x
  3. Step 3: Cross multiply
    209,841.36x = 314,645.40 × 83,471.64
  4. Step 4: Simplify right side
    209,841.36x = 26,263,967,556.46
  5. Step 5: Solve for x
    x = 26,263,967,556.46/209,841.36
  6. Step 6: Final answer
    x = 125,161.06

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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.