Home / 352,293.12-528,486.72-102,971.52

Finding the Fourth Proportional to 352,293.12, 528,486.72 and 102,971.52

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Solution

The fourth proportional to 352,293.12, 528,486.72 and 102,971.52 is: 154,471.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,293.12 : 528,486.72 = 102,971.52 : x
  2. Step 2: Convert to fraction form
    352,293.12/528,486.72 = 102,971.52/x
  3. Step 3: Cross multiply
    352,293.12x = 528,486.72 × 102,971.52
  4. Step 4: Simplify right side
    352,293.12x = 54,419,080,858.21
  5. Step 5: Solve for x
    x = 54,419,080,858.21/352,293.12
  6. Step 6: Final answer
    x = 154,471.03

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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.