Home / 191,281.56-263,967.78-106,398.64

Finding the Fourth Proportional to 191,281.56, 263,967.78 and 106,398.64

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Solution

The fourth proportional to 191,281.56, 263,967.78 and 106,398.64 is: 146,829.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,281.56 : 263,967.78 = 106,398.64 : x
  2. Step 2: Convert to fraction form
    191,281.56/263,967.78 = 106,398.64/x
  3. Step 3: Cross multiply
    191,281.56x = 263,967.78 × 106,398.64
  4. Step 4: Simplify right side
    191,281.56x = 28,085,812,795.82
  5. Step 5: Solve for x
    x = 28,085,812,795.82/191,281.56
  6. Step 6: Final answer
    x = 146,829.69

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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.