Home / 147,851.60-203,977.28-91,164.56

Finding the Fourth Proportional to 147,851.60, 203,977.28 and 91,164.56

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Solution

The fourth proportional to 147,851.60, 203,977.28 and 91,164.56 is: 125,771.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,851.60 : 203,977.28 = 91,164.56 : x
  2. Step 2: Convert to fraction form
    147,851.60/203,977.28 = 91,164.56/x
  3. Step 3: Cross multiply
    147,851.60x = 203,977.28 × 91,164.56
  4. Step 4: Simplify right side
    147,851.60x = 18,595,498,981.20
  5. Step 5: Solve for x
    x = 18,595,498,981.20/147,851.60
  6. Step 6: Final answer
    x = 125,771.37

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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.