Home / 114,579.40-171,998.70-88,400.20

Finding the Fourth Proportional to 114,579.40, 171,998.70 and 88,400.20

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Solution

The fourth proportional to 114,579.40, 171,998.70 and 88,400.20 is: 132,700.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,579.40 : 171,998.70 = 88,400.20 : x
  2. Step 2: Convert to fraction form
    114,579.40/171,998.70 = 88,400.20/x
  3. Step 3: Cross multiply
    114,579.40x = 171,998.70 × 88,400.20
  4. Step 4: Simplify right side
    114,579.40x = 15,204,719,479.74
  5. Step 5: Solve for x
    x = 15,204,719,479.74/114,579.40
  6. Step 6: Final answer
    x = 132,700.29

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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.