Home / 209,622.22-289,284.72-114,130.54

Finding the Fourth Proportional to 209,622.22, 289,284.72 and 114,130.54

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Solution

The fourth proportional to 209,622.22, 289,284.72 and 114,130.54 is: 157,503.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,622.22 : 289,284.72 = 114,130.54 : x
  2. Step 2: Convert to fraction form
    209,622.22/289,284.72 = 114,130.54/x
  3. Step 3: Cross multiply
    209,622.22x = 289,284.72 × 114,130.54
  4. Step 4: Simplify right side
    209,622.22x = 33,016,221,307.35
  5. Step 5: Solve for x
    x = 33,016,221,307.35/209,622.22
  6. Step 6: Final answer
    x = 157,503.44

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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.