Home / 191,900.26-264,819.13-105,867.60

Finding the Fourth Proportional to 191,900.26, 264,819.13 and 105,867.60

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Solution

The fourth proportional to 191,900.26, 264,819.13 and 105,867.60 is: 146,095.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,900.26 : 264,819.13 = 105,867.60 : x
  2. Step 2: Convert to fraction form
    191,900.26/264,819.13 = 105,867.60/x
  3. Step 3: Cross multiply
    191,900.26x = 264,819.13 × 105,867.60
  4. Step 4: Simplify right side
    191,900.26x = 28,035,765,727.19
  5. Step 5: Solve for x
    x = 28,035,765,727.19/191,900.26
  6. Step 6: Final answer
    x = 146,095.51

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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.