Home / 101,270.96-151,982.40-38,153.36

Finding the Fourth Proportional to 101,270.96, 151,982.40 and 38,153.36

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Solution

The fourth proportional to 101,270.96, 151,982.40 and 38,153.36 is: 57,258.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,270.96 : 151,982.40 = 38,153.36 : x
  2. Step 2: Convert to fraction form
    101,270.96/151,982.40 = 38,153.36/x
  3. Step 3: Cross multiply
    101,270.96x = 151,982.40 × 38,153.36
  4. Step 4: Simplify right side
    101,270.96x = 5,798,639,220.86
  5. Step 5: Solve for x
    x = 5,798,639,220.86/101,270.96
  6. Step 6: Final answer
    x = 57,258.66

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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.