Home / 175,890.20-264,029.70-109,405.40

Finding the Fourth Proportional to 175,890.20, 264,029.70 and 109,405.40

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Solution

The fourth proportional to 175,890.20, 264,029.70 and 109,405.40 is: 164,229.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,890.20 : 264,029.70 = 109,405.40 : x
  2. Step 2: Convert to fraction form
    175,890.20/264,029.70 = 109,405.40/x
  3. Step 3: Cross multiply
    175,890.20x = 264,029.70 × 109,405.40
  4. Step 4: Simplify right side
    175,890.20x = 28,886,274,940.38
  5. Step 5: Solve for x
    x = 28,886,274,940.38/175,890.20
  6. Step 6: Final answer
    x = 164,229.02

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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.