Home / 191,141.28-263,743.92-106,256.16

Finding the Fourth Proportional to 191,141.28, 263,743.92 and 106,256.16

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Solution

The fourth proportional to 191,141.28, 263,743.92 and 106,256.16 is: 146,616.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,141.28 : 263,743.92 = 106,256.16 : x
  2. Step 2: Convert to fraction form
    191,141.28/263,743.92 = 106,256.16/x
  3. Step 3: Cross multiply
    191,141.28x = 263,743.92 × 106,256.16
  4. Step 4: Simplify right side
    191,141.28x = 28,024,416,162.55
  5. Step 5: Solve for x
    x = 28,024,416,162.55/191,141.28
  6. Step 6: Final answer
    x = 146,616.24

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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.