Home / 191,195.64-263,844.41-105,154.52

Finding the Fourth Proportional to 191,195.64, 263,844.41 and 105,154.52

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Solution

The fourth proportional to 191,195.64, 263,844.41 and 105,154.52 is: 145,110.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,195.64 : 263,844.41 = 105,154.52 : x
  2. Step 2: Convert to fraction form
    191,195.64/263,844.41 = 105,154.52/x
  3. Step 3: Cross multiply
    191,195.64x = 263,844.41 × 105,154.52
  4. Step 4: Simplify right side
    191,195.64x = 27,744,430,443.24
  5. Step 5: Solve for x
    x = 27,744,430,443.24/191,195.64
  6. Step 6: Final answer
    x = 145,110.16

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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.