Home / 120,698.51-180,908.44-88,632.23

Finding the Fourth Proportional to 120,698.51, 180,908.44 and 88,632.23

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Solution

The fourth proportional to 120,698.51, 180,908.44 and 88,632.23 is: 132,846.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,698.51 : 180,908.44 = 88,632.23 : x
  2. Step 2: Convert to fraction form
    120,698.51/180,908.44 = 88,632.23/x
  3. Step 3: Cross multiply
    120,698.51x = 180,908.44 × 88,632.23
  4. Step 4: Simplify right side
    120,698.51x = 16,034,317,336.90
  5. Step 5: Solve for x
    x = 16,034,317,336.90/120,698.51
  6. Step 6: Final answer
    x = 132,846.03

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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.