Home / 209,925.36-289,699.92-114,431.85

Finding the Fourth Proportional to 209,925.36, 289,699.92 and 114,431.85

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Solution

The fourth proportional to 209,925.36, 289,699.92 and 114,431.85 is: 157,917.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,925.36 : 289,699.92 = 114,431.85 : x
  2. Step 2: Convert to fraction form
    209,925.36/289,699.92 = 114,431.85/x
  3. Step 3: Cross multiply
    209,925.36x = 289,699.92 × 114,431.85
  4. Step 4: Simplify right side
    209,925.36x = 33,150,897,790.45
  5. Step 5: Solve for x
    x = 33,150,897,790.45/209,925.36
  6. Step 6: Final answer
    x = 157,917.55

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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.