Home / 173,150.20-259,725.30-99,217.40

Finding the Fourth Proportional to 173,150.20, 259,725.30 and 99,217.40

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Solution

The fourth proportional to 173,150.20, 259,725.30 and 99,217.40 is: 148,826.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,150.20 : 259,725.30 = 99,217.40 : x
  2. Step 2: Convert to fraction form
    173,150.20/259,725.30 = 99,217.40/x
  3. Step 3: Cross multiply
    173,150.20x = 259,725.30 × 99,217.40
  4. Step 4: Simplify right side
    173,150.20x = 25,769,268,980.22
  5. Step 5: Solve for x
    x = 25,769,268,980.22/173,150.20
  6. Step 6: Final answer
    x = 148,826.10

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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.