Home / 209,205.96-288,705.94-113,712.68

Finding the Fourth Proportional to 209,205.96, 288,705.94 and 113,712.68

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Solution

The fourth proportional to 209,205.96, 288,705.94 and 113,712.68 is: 156,924.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,205.96 : 288,705.94 = 113,712.68 : x
  2. Step 2: Convert to fraction form
    209,205.96/288,705.94 = 113,712.68/x
  3. Step 3: Cross multiply
    209,205.96x = 288,705.94 × 113,712.68
  4. Step 4: Simplify right side
    209,205.96x = 32,829,526,169.32
  5. Step 5: Solve for x
    x = 32,829,526,169.32/209,205.96
  6. Step 6: Final answer
    x = 156,924.43

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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.