Home / 189,272.43-283,897.51-70,933.86

Finding the Fourth Proportional to 189,272.43, 283,897.51 and 70,933.86

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Solution

The fourth proportional to 189,272.43, 283,897.51 and 70,933.86 is: 106,396.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,272.43 : 283,897.51 = 70,933.86 : x
  2. Step 2: Convert to fraction form
    189,272.43/283,897.51 = 70,933.86/x
  3. Step 3: Cross multiply
    189,272.43x = 283,897.51 × 70,933.86
  4. Step 4: Simplify right side
    189,272.43x = 20,137,946,051.35
  5. Step 5: Solve for x
    x = 20,137,946,051.35/189,272.43
  6. Step 6: Final answer
    x = 106,396.62

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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.