Home / 117,295.08-161,960.39-108,339.32

Finding the Fourth Proportional to 117,295.08, 161,960.39 and 108,339.32

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Solution

The fourth proportional to 117,295.08, 161,960.39 and 108,339.32 is: 149,594.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,295.08 : 161,960.39 = 108,339.32 : x
  2. Step 2: Convert to fraction form
    117,295.08/161,960.39 = 108,339.32/x
  3. Step 3: Cross multiply
    117,295.08x = 161,960.39 × 108,339.32
  4. Step 4: Simplify right side
    117,295.08x = 17,546,677,168.04
  5. Step 5: Solve for x
    x = 17,546,677,168.04/117,295.08
  6. Step 6: Final answer
    x = 149,594.32

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1.5x scale

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.