Home / 358,431.36-537,608.64-109,115.52

Finding the Fourth Proportional to 358,431.36, 537,608.64 and 109,115.52

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Solution

The fourth proportional to 358,431.36, 537,608.64 and 109,115.52 is: 163,661.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,431.36 : 537,608.64 = 109,115.52 : x
  2. Step 2: Convert to fraction form
    358,431.36/537,608.64 = 109,115.52/x
  3. Step 3: Cross multiply
    358,431.36x = 537,608.64 × 109,115.52
  4. Step 4: Simplify right side
    358,431.36x = 58,661,446,310.09
  5. Step 5: Solve for x
    x = 58,661,446,310.09/358,431.36
  6. Step 6: Final answer
    x = 163,661.59

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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.