Home / 186,062.12-256,757.98-105,495.09

Finding the Fourth Proportional to 186,062.12, 256,757.98 and 105,495.09

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Solution

The fourth proportional to 186,062.12, 256,757.98 and 105,495.09 is: 145,578.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,062.12 : 256,757.98 = 105,495.09 : x
  2. Step 2: Convert to fraction form
    186,062.12/256,757.98 = 105,495.09/x
  3. Step 3: Cross multiply
    186,062.12x = 256,757.98 × 105,495.09
  4. Step 4: Simplify right side
    186,062.12x = 27,086,706,586.48
  5. Step 5: Solve for x
    x = 27,086,706,586.48/186,062.12
  6. Step 6: Final answer
    x = 145,578.83

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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.