Home / 352,458.03-528,513.39-127,784.73

Finding the Fourth Proportional to 352,458.03, 528,513.39 and 127,784.73

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Solution

The fourth proportional to 352,458.03, 528,513.39 and 127,784.73 is: 191,614.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,458.03 : 528,513.39 = 127,784.73 : x
  2. Step 2: Convert to fraction form
    352,458.03/528,513.39 = 127,784.73/x
  3. Step 3: Cross multiply
    352,458.03x = 528,513.39 × 127,784.73
  4. Step 4: Simplify right side
    352,458.03x = 67,535,940,842.53
  5. Step 5: Solve for x
    x = 67,535,940,842.53/352,458.03
  6. Step 6: Final answer
    x = 191,614.14

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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.