Home / 127,083.96-190,627.32-38,338.24

Finding the Fourth Proportional to 127,083.96, 190,627.32 and 38,338.24

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Solution

The fourth proportional to 127,083.96, 190,627.32 and 38,338.24 is: 57,507.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,083.96 : 190,627.32 = 38,338.24 : x
  2. Step 2: Convert to fraction form
    127,083.96/190,627.32 = 38,338.24/x
  3. Step 3: Cross multiply
    127,083.96x = 190,627.32 × 38,338.24
  4. Step 4: Simplify right side
    127,083.96x = 7,308,315,944.72
  5. Step 5: Solve for x
    x = 7,308,315,944.72/127,083.96
  6. Step 6: Final answer
    x = 57,507.78

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1.5x scale

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.