Home / 352,165.14-528,279.91-99,449.39

Finding the Fourth Proportional to 352,165.14, 528,279.91 and 99,449.39

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Solution

The fourth proportional to 352,165.14, 528,279.91 and 99,449.39 is: 149,183.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,165.14 : 528,279.91 = 99,449.39 : x
  2. Step 2: Convert to fraction form
    352,165.14/528,279.91 = 99,449.39/x
  3. Step 3: Cross multiply
    352,165.14x = 528,279.91 × 99,449.39
  4. Step 4: Simplify right side
    352,165.14x = 52,537,115,870.83
  5. Step 5: Solve for x
    x = 52,537,115,870.83/352,165.14
  6. Step 6: Final answer
    x = 149,183.18

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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.