Home / 191,134.58-263,742.75-105,079.37

Finding the Fourth Proportional to 191,134.58, 263,742.75 and 105,079.37

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Solution

The fourth proportional to 191,134.58, 263,742.75 and 105,079.37 is: 144,996.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,134.58 : 263,742.75 = 105,079.37 : x
  2. Step 2: Convert to fraction form
    191,134.58/263,742.75 = 105,079.37/x
  3. Step 3: Cross multiply
    191,134.58x = 263,742.75 × 105,079.37
  4. Step 4: Simplify right side
    191,134.58x = 27,713,920,693.35
  5. Step 5: Solve for x
    x = 27,713,920,693.35/191,134.58
  6. Step 6: Final answer
    x = 144,996.90

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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.