Home / 209,169.47-288,653.73-113,676.18

Finding the Fourth Proportional to 209,169.47, 288,653.73 and 113,676.18

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Solution

The fourth proportional to 209,169.47, 288,653.73 and 113,676.18 is: 156,873.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,169.47 : 288,653.73 = 113,676.18 : x
  2. Step 2: Convert to fraction form
    209,169.47/288,653.73 = 113,676.18/x
  3. Step 3: Cross multiply
    209,169.47x = 288,653.73 × 113,676.18
  4. Step 4: Simplify right side
    209,169.47x = 32,813,053,369.15
  5. Step 5: Solve for x
    x = 32,813,053,369.15/209,169.47
  6. Step 6: Final answer
    x = 156,873.06

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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.