Home / 240,711.29-332,186.79-131,820.25

Finding the Fourth Proportional to 240,711.29, 332,186.79 and 131,820.25

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Solution

The fourth proportional to 240,711.29, 332,186.79 and 131,820.25 is: 181,914.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,711.29 : 332,186.79 = 131,820.25 : x
  2. Step 2: Convert to fraction form
    240,711.29/332,186.79 = 131,820.25/x
  3. Step 3: Cross multiply
    240,711.29x = 332,186.79 × 131,820.25
  4. Step 4: Simplify right side
    240,711.29x = 43,788,945,704.50
  5. Step 5: Solve for x
    x = 43,788,945,704.50/240,711.29
  6. Step 6: Final answer
    x = 181,914.80

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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.