Home / 143,528.06-215,283.26-53,553.26

Finding the Fourth Proportional to 143,528.06, 215,283.26 and 53,553.26

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Solution

The fourth proportional to 143,528.06, 215,283.26 and 53,553.26 is: 80,326.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,528.06 : 215,283.26 = 53,553.26 : x
  2. Step 2: Convert to fraction form
    143,528.06/215,283.26 = 53,553.26/x
  3. Step 3: Cross multiply
    143,528.06x = 215,283.26 × 53,553.26
  4. Step 4: Simplify right side
    143,528.06x = 11,529,120,396.43
  5. Step 5: Solve for x
    x = 11,529,120,396.43/143,528.06
  6. Step 6: Final answer
    x = 80,326.60

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1.5x scale

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.