Home / 123,441.18-185,207.13-52,379.34

Finding the Fourth Proportional to 123,441.18, 185,207.13 and 52,379.34

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Solution

The fourth proportional to 123,441.18, 185,207.13 and 52,379.34 is: 78,588.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,441.18 : 185,207.13 = 52,379.34 : x
  2. Step 2: Convert to fraction form
    123,441.18/185,207.13 = 52,379.34/x
  3. Step 3: Cross multiply
    123,441.18x = 185,207.13 × 52,379.34
  4. Step 4: Simplify right side
    123,441.18x = 9,701,027,232.69
  5. Step 5: Solve for x
    x = 9,701,027,232.69/123,441.18
  6. Step 6: Final answer
    x = 78,588.26

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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.