Home / 151,452.39-209,039.92-94,135.00

Finding the Fourth Proportional to 151,452.39, 209,039.92 and 94,135.00

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Solution

The fourth proportional to 151,452.39, 209,039.92 and 94,135.00 is: 129,928.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,452.39 : 209,039.92 = 94,135.00 : x
  2. Step 2: Convert to fraction form
    151,452.39/209,039.92 = 94,135.00/x
  3. Step 3: Cross multiply
    151,452.39x = 209,039.92 × 94,135.00
  4. Step 4: Simplify right side
    151,452.39x = 19,677,972,503.21
  5. Step 5: Solve for x
    x = 19,677,972,503.21/151,452.39
  6. Step 6: Final answer
    x = 129,928.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.