Home / 137,774.91-190,219.04-84,091.05

Finding the Fourth Proportional to 137,774.91, 190,219.04 and 84,091.05

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Solution

The fourth proportional to 137,774.91, 190,219.04 and 84,091.05 is: 116,100.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,774.91 : 190,219.04 = 84,091.05 : x
  2. Step 2: Convert to fraction form
    137,774.91/190,219.04 = 84,091.05/x
  3. Step 3: Cross multiply
    137,774.91x = 190,219.04 × 84,091.05
  4. Step 4: Simplify right side
    137,774.91x = 15,995,718,383.14
  5. Step 5: Solve for x
    x = 15,995,718,383.14/137,774.91
  6. Step 6: Final answer
    x = 116,100.37

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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.