Home / 240,013.76-331,284.96-149,315.63

Finding the Fourth Proportional to 240,013.76, 331,284.96 and 149,315.63

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Solution

The fourth proportional to 240,013.76, 331,284.96 and 149,315.63 is: 206,096.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,013.76 : 331,284.96 = 149,315.63 : x
  2. Step 2: Convert to fraction form
    240,013.76/331,284.96 = 149,315.63/x
  3. Step 3: Cross multiply
    240,013.76x = 331,284.96 × 149,315.63
  4. Step 4: Simplify right side
    240,013.76x = 49,466,020,855.50
  5. Step 5: Solve for x
    x = 49,466,020,855.50/240,013.76
  6. Step 6: Final answer
    x = 206,096.61

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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.