Home / 356,824.27-535,258.02-143,591.37

Finding the Fourth Proportional to 356,824.27, 535,258.02 and 143,591.37

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Solution

The fourth proportional to 356,824.27, 535,258.02 and 143,591.37 is: 215,395.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,824.27 : 535,258.02 = 143,591.37 : x
  2. Step 2: Convert to fraction form
    356,824.27/535,258.02 = 143,591.37/x
  3. Step 3: Cross multiply
    356,824.27x = 535,258.02 × 143,591.37
  4. Step 4: Simplify right side
    356,824.27x = 76,858,430,926.54
  5. Step 5: Solve for x
    x = 76,858,430,926.54/356,824.27
  6. Step 6: Final answer
    x = 215,395.75

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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.