Home / 209,603.22-289,258.50-114,111.54

Finding the Fourth Proportional to 209,603.22, 289,258.50 and 114,111.54

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Solution

The fourth proportional to 209,603.22, 289,258.50 and 114,111.54 is: 157,477.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,603.22 : 289,258.50 = 114,111.54 : x
  2. Step 2: Convert to fraction form
    209,603.22/289,258.50 = 114,111.54/x
  3. Step 3: Cross multiply
    209,603.22x = 289,258.50 × 114,111.54
  4. Step 4: Simplify right side
    209,603.22x = 33,007,732,893.09
  5. Step 5: Solve for x
    x = 33,007,732,893.09/209,603.22
  6. Step 6: Final answer
    x = 157,477.22

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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.