Home / 147,620.71-203,814.62-113,569.12

Finding the Fourth Proportional to 147,620.71, 203,814.62 and 113,569.12

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Solution

The fourth proportional to 147,620.71, 203,814.62 and 113,569.12 is: 156,800.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,620.71 : 203,814.62 = 113,569.12 : x
  2. Step 2: Convert to fraction form
    147,620.71/203,814.62 = 113,569.12/x
  3. Step 3: Cross multiply
    147,620.71x = 203,814.62 × 113,569.12
  4. Step 4: Simplify right side
    147,620.71x = 23,147,045,449.62
  5. Step 5: Solve for x
    x = 23,147,045,449.62/147,620.71
  6. Step 6: Final answer
    x = 156,800.81

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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.