Home / 270,221.28-372,894.24-157,035.36

Finding the Fourth Proportional to 270,221.28, 372,894.24 and 157,035.36

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Solution

The fourth proportional to 270,221.28, 372,894.24 and 157,035.36 is: 216,702.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,221.28 : 372,894.24 = 157,035.36 : x
  2. Step 2: Convert to fraction form
    270,221.28/372,894.24 = 157,035.36/x
  3. Step 3: Cross multiply
    270,221.28x = 372,894.24 × 157,035.36
  4. Step 4: Simplify right side
    270,221.28x = 58,557,581,220.33
  5. Step 5: Solve for x
    x = 58,557,581,220.33/270,221.28
  6. Step 6: Final answer
    x = 216,702.33

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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.