Home / 127,700.56-176,219.92-73,249.96

Finding the Fourth Proportional to 127,700.56, 176,219.92 and 73,249.96

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Solution

The fourth proportional to 127,700.56, 176,219.92 and 73,249.96 is: 101,081.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,700.56 : 176,219.92 = 73,249.96 : x
  2. Step 2: Convert to fraction form
    127,700.56/176,219.92 = 73,249.96/x
  3. Step 3: Cross multiply
    127,700.56x = 176,219.92 × 73,249.96
  4. Step 4: Simplify right side
    127,700.56x = 12,908,102,091.20
  5. Step 5: Solve for x
    x = 12,908,102,091.20/127,700.56
  6. Step 6: Final answer
    x = 101,081.01

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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.