Home / 121,736.14-182,604.22-79,881.06

Finding the Fourth Proportional to 121,736.14, 182,604.22 and 79,881.06

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Solution

The fourth proportional to 121,736.14, 182,604.22 and 79,881.06 is: 119,821.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,736.14 : 182,604.22 = 79,881.06 : x
  2. Step 2: Convert to fraction form
    121,736.14/182,604.22 = 79,881.06/x
  3. Step 3: Cross multiply
    121,736.14x = 182,604.22 × 79,881.06
  4. Step 4: Simplify right side
    121,736.14x = 14,586,618,654.07
  5. Step 5: Solve for x
    x = 14,586,618,654.07/121,736.14
  6. Step 6: Final answer
    x = 119,821.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.