Home / 209,205.37-288,703.82-113,711.84

Finding the Fourth Proportional to 209,205.37, 288,703.82 and 113,711.84

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Solution

The fourth proportional to 209,205.37, 288,703.82 and 113,711.84 is: 156,922.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,205.37 : 288,703.82 = 113,711.84 : x
  2. Step 2: Convert to fraction form
    209,205.37/288,703.82 = 113,711.84/x
  3. Step 3: Cross multiply
    209,205.37x = 288,703.82 × 113,711.84
  4. Step 4: Simplify right side
    209,205.37x = 32,829,042,018.67
  5. Step 5: Solve for x
    x = 32,829,042,018.67/209,205.37
  6. Step 6: Final answer
    x = 156,922.56

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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.