Home / 352,112.39-528,159.34-99,410.35

Finding the Fourth Proportional to 352,112.39, 528,159.34 and 99,410.35

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Solution

The fourth proportional to 352,112.39, 528,159.34 and 99,410.35 is: 149,112.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,112.39 : 528,159.34 = 99,410.35 : x
  2. Step 2: Convert to fraction form
    352,112.39/528,159.34 = 99,410.35/x
  3. Step 3: Cross multiply
    352,112.39x = 528,159.34 × 99,410.35
  4. Step 4: Simplify right side
    352,112.39x = 52,504,504,845.17
  5. Step 5: Solve for x
    x = 52,504,504,845.17/352,112.39
  6. Step 6: Final answer
    x = 149,112.91

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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.