Home / 209,590.05-289,234.31-114,096.72

Finding the Fourth Proportional to 209,590.05, 289,234.31 and 114,096.72

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Solution

The fourth proportional to 209,590.05, 289,234.31 and 114,096.72 is: 157,453.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,590.05 : 289,234.31 = 114,096.72 : x
  2. Step 2: Convert to fraction form
    209,590.05/289,234.31 = 114,096.72/x
  3. Step 3: Cross multiply
    209,590.05x = 289,234.31 × 114,096.72
  4. Step 4: Simplify right side
    209,590.05x = 33,000,686,082.46
  5. Step 5: Solve for x
    x = 33,000,686,082.46/209,590.05
  6. Step 6: Final answer
    x = 157,453.50

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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.