Home / 209,182.58-288,674.19-113,689.28

Finding the Fourth Proportional to 209,182.58, 288,674.19 and 113,689.28

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Solution

The fourth proportional to 209,182.58, 288,674.19 and 113,689.28 is: 156,892.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,182.58 : 288,674.19 = 113,689.28 : x
  2. Step 2: Convert to fraction form
    209,182.58/288,674.19 = 113,689.28/x
  3. Step 3: Cross multiply
    209,182.58x = 288,674.19 × 113,689.28
  4. Step 4: Simplify right side
    209,182.58x = 32,819,160,815.68
  5. Step 5: Solve for x
    x = 32,819,160,815.68/209,182.58
  6. Step 6: Final answer
    x = 156,892.42

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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.