Home / 127,741.44-176,230.20-76,047.96

Finding the Fourth Proportional to 127,741.44, 176,230.20 and 76,047.96

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Solution

The fourth proportional to 127,741.44, 176,230.20 and 76,047.96 is: 104,914.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,741.44 : 176,230.20 = 76,047.96 : x
  2. Step 2: Convert to fraction form
    127,741.44/176,230.20 = 76,047.96/x
  3. Step 3: Cross multiply
    127,741.44x = 176,230.20 × 76,047.96
  4. Step 4: Simplify right side
    127,741.44x = 13,401,947,200.39
  5. Step 5: Solve for x
    x = 13,401,947,200.39/127,741.44
  6. Step 6: Final answer
    x = 104,914.64

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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.