Home / 104,234.08-143,858.45-65,997.18

Finding the Fourth Proportional to 104,234.08, 143,858.45 and 65,997.18

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Solution

The fourth proportional to 104,234.08, 143,858.45 and 65,997.18 is: 91,085.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,234.08 : 143,858.45 = 65,997.18 : x
  2. Step 2: Convert to fraction form
    104,234.08/143,858.45 = 65,997.18/x
  3. Step 3: Cross multiply
    104,234.08x = 143,858.45 × 65,997.18
  4. Step 4: Simplify right side
    104,234.08x = 9,494,252,184.16
  5. Step 5: Solve for x
    x = 9,494,252,184.16/104,234.08
  6. Step 6: Final answer
    x = 91,085.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.