Home / 134,627.28-185,786.37-77,262.03

Finding the Fourth Proportional to 134,627.28, 185,786.37 and 77,262.03

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Solution

The fourth proportional to 134,627.28, 185,786.37 and 77,262.03 is: 106,622.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,627.28 : 185,786.37 = 77,262.03 : x
  2. Step 2: Convert to fraction form
    134,627.28/185,786.37 = 77,262.03/x
  3. Step 3: Cross multiply
    134,627.28x = 185,786.37 × 77,262.03
  4. Step 4: Simplify right side
    134,627.28x = 14,354,232,092.53
  5. Step 5: Solve for x
    x = 14,354,232,092.53/134,627.28
  6. Step 6: Final answer
    x = 106,622.02

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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.