Home / 165,886.20-248,861.70-66,029.40

Finding the Fourth Proportional to 165,886.20, 248,861.70 and 66,029.40

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Solution

The fourth proportional to 165,886.20, 248,861.70 and 66,029.40 is: 99,057.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,886.20 : 248,861.70 = 66,029.40 : x
  2. Step 2: Convert to fraction form
    165,886.20/248,861.70 = 66,029.40/x
  3. Step 3: Cross multiply
    165,886.20x = 248,861.70 × 66,029.40
  4. Step 4: Simplify right side
    165,886.20x = 16,432,188,733.98
  5. Step 5: Solve for x
    x = 16,432,188,733.98/165,886.20
  6. Step 6: Final answer
    x = 99,057.00

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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.