Home / 118,023.30-162,495.99-109,975.14

Finding the Fourth Proportional to 118,023.30, 162,495.99 and 109,975.14

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Solution

The fourth proportional to 118,023.30, 162,495.99 and 109,975.14 is: 151,415.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,023.30 : 162,495.99 = 109,975.14 : x
  2. Step 2: Convert to fraction form
    118,023.30/162,495.99 = 109,975.14/x
  3. Step 3: Cross multiply
    118,023.30x = 162,495.99 × 109,975.14
  4. Step 4: Simplify right side
    118,023.30x = 17,870,519,249.69
  5. Step 5: Solve for x
    x = 17,870,519,249.69/118,023.30
  6. Step 6: Final answer
    x = 151,415.18

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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.