Home / 118,183.08-163,095.72-64,469

Finding the Fourth Proportional to 118,183.08, 163,095.72 and 64,469

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Solution

The fourth proportional to 118,183.08, 163,095.72 and 64,469 is: 88,968.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,183.08 : 163,095.72 = 64,469 : x
  2. Step 2: Convert to fraction form
    118,183.08/163,095.72 = 64,469/x
  3. Step 3: Cross multiply
    118,183.08x = 163,095.72 × 64,469
  4. Step 4: Simplify right side
    118,183.08x = 10,514,617,972.68
  5. Step 5: Solve for x
    x = 10,514,617,972.68/118,183.08
  6. Step 6: Final answer
    x = 88,968.89

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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.