Home / 189,236.86-283,860.75-70,885.53

Finding the Fourth Proportional to 189,236.86, 283,860.75 and 70,885.53

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Solution

The fourth proportional to 189,236.86, 283,860.75 and 70,885.53 is: 106,330.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,236.86 : 283,860.75 = 70,885.53 : x
  2. Step 2: Convert to fraction form
    189,236.86/283,860.75 = 70,885.53/x
  3. Step 3: Cross multiply
    189,236.86x = 283,860.75 × 70,885.53
  4. Step 4: Simplify right side
    189,236.86x = 20,121,619,975.77
  5. Step 5: Solve for x
    x = 20,121,619,975.77/189,236.86
  6. Step 6: Final answer
    x = 106,330.34

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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.