Home / 139,905.26-209,780.94-95,582.06

Finding the Fourth Proportional to 139,905.26, 209,780.94 and 95,582.06

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Solution

The fourth proportional to 139,905.26, 209,780.94 and 95,582.06 is: 143,320.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,905.26 : 209,780.94 = 95,582.06 : x
  2. Step 2: Convert to fraction form
    139,905.26/209,780.94 = 95,582.06/x
  3. Step 3: Cross multiply
    139,905.26x = 209,780.94 × 95,582.06
  4. Step 4: Simplify right side
    139,905.26x = 20,051,295,157.34
  5. Step 5: Solve for x
    x = 20,051,295,157.34/139,905.26
  6. Step 6: Final answer
    x = 143,320.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.