Home / 334,419.85-501,629.78-156,944.80

Finding the Fourth Proportional to 334,419.85, 501,629.78 and 156,944.80

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Solution

The fourth proportional to 334,419.85, 501,629.78 and 156,944.80 is: 235,417.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,419.85 : 501,629.78 = 156,944.80 : x
  2. Step 2: Convert to fraction form
    334,419.85/501,629.78 = 156,944.80/x
  3. Step 3: Cross multiply
    334,419.85x = 501,629.78 × 156,944.80
  4. Step 4: Simplify right side
    334,419.85x = 78,728,185,496.14
  5. Step 5: Solve for x
    x = 78,728,185,496.14/334,419.85
  6. Step 6: Final answer
    x = 235,417.20

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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.