Home / 130,563.27-180,232.43-88,179.21

Finding the Fourth Proportional to 130,563.27, 180,232.43 and 88,179.21

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Solution

The fourth proportional to 130,563.27, 180,232.43 and 88,179.21 is: 121,724.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,563.27 : 180,232.43 = 88,179.21 : x
  2. Step 2: Convert to fraction form
    130,563.27/180,232.43 = 88,179.21/x
  3. Step 3: Cross multiply
    130,563.27x = 180,232.43 × 88,179.21
  4. Step 4: Simplify right side
    130,563.27x = 15,892,752,852.88
  5. Step 5: Solve for x
    x = 15,892,752,852.88/130,563.27
  6. Step 6: Final answer
    x = 121,724.53

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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.