Home / 209,068.21-288,516.59-113,576.41

Finding the Fourth Proportional to 209,068.21, 288,516.59 and 113,576.41

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Solution

The fourth proportional to 209,068.21, 288,516.59 and 113,576.41 is: 156,736.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,068.21 : 288,516.59 = 113,576.41 : x
  2. Step 2: Convert to fraction form
    209,068.21/288,516.59 = 113,576.41/x
  3. Step 3: Cross multiply
    209,068.21x = 288,516.59 × 113,576.41
  4. Step 4: Simplify right side
    209,068.21x = 32,768,677,949.76
  5. Step 5: Solve for x
    x = 32,768,677,949.76/209,068.21
  6. Step 6: Final answer
    x = 156,736.78

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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.