Home / 126,935.22-190,402.38-56,765.28

Finding the Fourth Proportional to 126,935.22, 190,402.38 and 56,765.28

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Solution

The fourth proportional to 126,935.22, 190,402.38 and 56,765.28 is: 85,147.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,935.22 : 190,402.38 = 56,765.28 : x
  2. Step 2: Convert to fraction form
    126,935.22/190,402.38 = 56,765.28/x
  3. Step 3: Cross multiply
    126,935.22x = 190,402.38 × 56,765.28
  4. Step 4: Simplify right side
    126,935.22x = 10,808,244,413.37
  5. Step 5: Solve for x
    x = 10,808,244,413.37/126,935.22
  6. Step 6: Final answer
    x = 85,147.72

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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.