Home / 352,475.64-528,655.14-115,820.37

Finding the Fourth Proportional to 352,475.64, 528,655.14 and 115,820.37

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Solution

The fourth proportional to 352,475.64, 528,655.14 and 115,820.37 is: 173,711.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,475.64 : 528,655.14 = 115,820.37 : x
  2. Step 2: Convert to fraction form
    352,475.64/528,655.14 = 115,820.37/x
  3. Step 3: Cross multiply
    352,475.64x = 528,655.14 × 115,820.37
  4. Step 4: Simplify right side
    352,475.64x = 61,229,033,917.20
  5. Step 5: Solve for x
    x = 61,229,033,917.20/352,475.64
  6. Step 6: Final answer
    x = 173,711.39

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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.