Home / 186,769.28-257,753.79-106,204.32

Finding the Fourth Proportional to 186,769.28, 257,753.79 and 106,204.32

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Solution

The fourth proportional to 186,769.28, 257,753.79 and 106,204.32 is: 146,568.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,769.28 : 257,753.79 = 106,204.32 : x
  2. Step 2: Convert to fraction form
    186,769.28/257,753.79 = 106,204.32/x
  3. Step 3: Cross multiply
    186,769.28x = 257,753.79 × 106,204.32
  4. Step 4: Simplify right side
    186,769.28x = 27,374,565,994.37
  5. Step 5: Solve for x
    x = 27,374,565,994.37/186,769.28
  6. Step 6: Final answer
    x = 146,568.89

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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.