Home / 189,514.09-283,817.93-109,308.92

Finding the Fourth Proportional to 189,514.09, 283,817.93 and 109,308.92

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Solution

The fourth proportional to 189,514.09, 283,817.93 and 109,308.92 is: 163,701.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,514.09 : 283,817.93 = 109,308.92 : x
  2. Step 2: Convert to fraction form
    189,514.09/283,817.93 = 109,308.92/x
  3. Step 3: Cross multiply
    189,514.09x = 283,817.93 × 109,308.92
  4. Step 4: Simplify right side
    189,514.09x = 31,023,829,985.85
  5. Step 5: Solve for x
    x = 31,023,829,985.85/189,514.09
  6. Step 6: Final answer
    x = 163,701.97

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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.