Home / 151,640.08-209,221.32-97,927.36

Finding the Fourth Proportional to 151,640.08, 209,221.32 and 97,927.36

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Solution

The fourth proportional to 151,640.08, 209,221.32 and 97,927.36 is: 135,112.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,640.08 : 209,221.32 = 97,927.36 : x
  2. Step 2: Convert to fraction form
    151,640.08/209,221.32 = 97,927.36/x
  3. Step 3: Cross multiply
    151,640.08x = 209,221.32 × 97,927.36
  4. Step 4: Simplify right side
    151,640.08x = 20,488,491,523.32
  5. Step 5: Solve for x
    x = 20,488,491,523.32/151,640.08
  6. Step 6: Final answer
    x = 135,112.64

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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.