Home / 101,132.28-151,580.34-76,091.88

Finding the Fourth Proportional to 101,132.28, 151,580.34 and 76,091.88

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Solution

The fourth proportional to 101,132.28, 151,580.34 and 76,091.88 is: 114,048.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,132.28 : 151,580.34 = 76,091.88 : x
  2. Step 2: Convert to fraction form
    101,132.28/151,580.34 = 76,091.88/x
  3. Step 3: Cross multiply
    101,132.28x = 151,580.34 × 76,091.88
  4. Step 4: Simplify right side
    101,132.28x = 11,534,033,041.64
  5. Step 5: Solve for x
    x = 11,534,033,041.64/101,132.28
  6. Step 6: Final answer
    x = 114,048.98

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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.