Home / 191,039.12-263,628.60-106,154

Finding the Fourth Proportional to 191,039.12, 263,628.60 and 106,154

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Solution

The fourth proportional to 191,039.12, 263,628.60 and 106,154 is: 146,489.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,039.12 : 263,628.60 = 106,154 : x
  2. Step 2: Convert to fraction form
    191,039.12/263,628.60 = 106,154/x
  3. Step 3: Cross multiply
    191,039.12x = 263,628.60 × 106,154
  4. Step 4: Simplify right side
    191,039.12x = 27,985,230,404.40
  5. Step 5: Solve for x
    x = 27,985,230,404.40/191,039.12
  6. Step 6: Final answer
    x = 146,489.53

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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.