Home / 240,711.76-332,187.42-131,820.69

Finding the Fourth Proportional to 240,711.76, 332,187.42 and 131,820.69

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Solution

The fourth proportional to 240,711.76, 332,187.42 and 131,820.69 is: 181,915.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,711.76 : 332,187.42 = 131,820.69 : x
  2. Step 2: Convert to fraction form
    240,711.76/332,187.42 = 131,820.69/x
  3. Step 3: Cross multiply
    240,711.76x = 332,187.42 × 131,820.69
  4. Step 4: Simplify right side
    240,711.76x = 43,789,174,913.72
  5. Step 5: Solve for x
    x = 43,789,174,913.72/240,711.76
  6. Step 6: Final answer
    x = 181,915.40

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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.