Home / 209,116.32-288,576.36-113,623.70

Finding the Fourth Proportional to 209,116.32, 288,576.36 and 113,623.70

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Solution

The fourth proportional to 209,116.32, 288,576.36 and 113,623.70 is: 156,798.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,116.32 : 288,576.36 = 113,623.70 : x
  2. Step 2: Convert to fraction form
    209,116.32/288,576.36 = 113,623.70/x
  3. Step 3: Cross multiply
    209,116.32x = 288,576.36 × 113,623.70
  4. Step 4: Simplify right side
    209,116.32x = 32,789,113,755.73
  5. Step 5: Solve for x
    x = 32,789,113,755.73/209,116.32
  6. Step 6: Final answer
    x = 156,798.44

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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.