Home / 153,913.44-230,922-75,012.96

Finding the Fourth Proportional to 153,913.44, 230,922 and 75,012.96

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Solution

The fourth proportional to 153,913.44, 230,922 and 75,012.96 is: 112,544.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,913.44 : 230,922 = 75,012.96 : x
  2. Step 2: Convert to fraction form
    153,913.44/230,922 = 75,012.96/x
  3. Step 3: Cross multiply
    153,913.44x = 230,922 × 75,012.96
  4. Step 4: Simplify right side
    153,913.44x = 17,322,142,749.12
  5. Step 5: Solve for x
    x = 17,322,142,749.12/153,913.44
  6. Step 6: Final answer
    x = 112,544.71

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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.