Home / 352,601.12-528,918.69-115,938.56

Finding the Fourth Proportional to 352,601.12, 528,918.69 and 115,938.56

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Solution

The fourth proportional to 352,601.12, 528,918.69 and 115,938.56 is: 173,913.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,601.12 : 528,918.69 = 115,938.56 : x
  2. Step 2: Convert to fraction form
    352,601.12/528,918.69 = 115,938.56/x
  3. Step 3: Cross multiply
    352,601.12x = 528,918.69 × 115,938.56
  4. Step 4: Simplify right side
    352,601.12x = 61,322,071,275.69
  5. Step 5: Solve for x
    x = 61,322,071,275.69/352,601.12
  6. Step 6: Final answer
    x = 173,913.43

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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.