Home / 209,826.16-289,556.36-114,333.68

Finding the Fourth Proportional to 209,826.16, 289,556.36 and 114,333.68

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Solution

The fourth proportional to 209,826.16, 289,556.36 and 114,333.68 is: 157,778.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,826.16 : 289,556.36 = 114,333.68 : x
  2. Step 2: Convert to fraction form
    209,826.16/289,556.36 = 114,333.68/x
  3. Step 3: Cross multiply
    209,826.16x = 289,556.36 × 114,333.68
  4. Step 4: Simplify right side
    209,826.16x = 33,106,044,206.20
  5. Step 5: Solve for x
    x = 33,106,044,206.20/209,826.16
  6. Step 6: Final answer
    x = 157,778.44

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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.