Home / 186,996.68-258,077.57-105,327.62

Finding the Fourth Proportional to 186,996.68, 258,077.57 and 105,327.62

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Solution

The fourth proportional to 186,996.68, 258,077.57 and 105,327.62 is: 145,364.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,996.68 : 258,077.57 = 105,327.62 : x
  2. Step 2: Convert to fraction form
    186,996.68/258,077.57 = 105,327.62/x
  3. Step 3: Cross multiply
    186,996.68x = 258,077.57 × 105,327.62
  4. Step 4: Simplify right side
    186,996.68x = 27,182,694,406.46
  5. Step 5: Solve for x
    x = 27,182,694,406.46/186,996.68
  6. Step 6: Final answer
    x = 145,364.59

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1.5x scale

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.