Home / 114,579.20-171,868.80-108,018.20

Finding the Fourth Proportional to 114,579.20, 171,868.80 and 108,018.20

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Solution

The fourth proportional to 114,579.20, 171,868.80 and 108,018.20 is: 162,027.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,579.20 : 171,868.80 = 108,018.20 : x
  2. Step 2: Convert to fraction form
    114,579.20/171,868.80 = 108,018.20/x
  3. Step 3: Cross multiply
    114,579.20x = 171,868.80 × 108,018.20
  4. Step 4: Simplify right side
    114,579.20x = 18,564,958,412.16
  5. Step 5: Solve for x
    x = 18,564,958,412.16/114,579.20
  6. Step 6: Final answer
    x = 162,027.30

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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.