Home / 352,110.39-528,156.34-99,408.35

Finding the Fourth Proportional to 352,110.39, 528,156.34 and 99,408.35

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Solution

The fourth proportional to 352,110.39, 528,156.34 and 99,408.35 is: 149,109.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,110.39 : 528,156.34 = 99,408.35 : x
  2. Step 2: Convert to fraction form
    352,110.39/528,156.34 = 99,408.35/x
  3. Step 3: Cross multiply
    352,110.39x = 528,156.34 × 99,408.35
  4. Step 4: Simplify right side
    352,110.39x = 52,503,147,412.14
  5. Step 5: Solve for x
    x = 52,503,147,412.14/352,110.39
  6. Step 6: Final answer
    x = 149,109.91

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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.