Home / 235,028.52-324,018.02-161,438.71

Finding the Fourth Proportional to 235,028.52, 324,018.02 and 161,438.71

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Solution

The fourth proportional to 235,028.52, 324,018.02 and 161,438.71 is: 222,564.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,028.52 : 324,018.02 = 161,438.71 : x
  2. Step 2: Convert to fraction form
    235,028.52/324,018.02 = 161,438.71/x
  3. Step 3: Cross multiply
    235,028.52x = 324,018.02 × 161,438.71
  4. Step 4: Simplify right side
    235,028.52x = 52,309,050,759.11
  5. Step 5: Solve for x
    x = 52,309,050,759.11/235,028.52
  6. Step 6: Final answer
    x = 222,564.69

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1.5x scale

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.