Home / 331,145.67-456,968.34-187,897.17

Finding the Fourth Proportional to 331,145.67, 456,968.34 and 187,897.17

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Solution

The fourth proportional to 331,145.67, 456,968.34 and 187,897.17 is: 259,290.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,145.67 : 456,968.34 = 187,897.17 : x
  2. Step 2: Convert to fraction form
    331,145.67/456,968.34 = 187,897.17/x
  3. Step 3: Cross multiply
    331,145.67x = 456,968.34 × 187,897.17
  4. Step 4: Simplify right side
    331,145.67x = 85,863,057,865.60
  5. Step 5: Solve for x
    x = 85,863,057,865.60/331,145.67
  6. Step 6: Final answer
    x = 259,290.90

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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.