Home / 143,586.24-215,394.09-54,914.32

Finding the Fourth Proportional to 143,586.24, 215,394.09 and 54,914.32

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Solution

The fourth proportional to 143,586.24, 215,394.09 and 54,914.32 is: 82,377.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,586.24 : 215,394.09 = 54,914.32 : x
  2. Step 2: Convert to fraction form
    143,586.24/215,394.09 = 54,914.32/x
  3. Step 3: Cross multiply
    143,586.24x = 215,394.09 × 54,914.32
  4. Step 4: Simplify right side
    143,586.24x = 11,828,220,047.68
  5. Step 5: Solve for x
    x = 11,828,220,047.68/143,586.24
  6. Step 6: Final answer
    x = 82,377.12

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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.