Home / 331,147.67-456,971.08-187,899.17

Finding the Fourth Proportional to 331,147.67, 456,971.08 and 187,899.17

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Solution

The fourth proportional to 331,147.67, 456,971.08 and 187,899.17 is: 259,293.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,147.67 : 456,971.08 = 187,899.17 : x
  2. Step 2: Convert to fraction form
    331,147.67/456,971.08 = 187,899.17/x
  3. Step 3: Cross multiply
    331,147.67x = 456,971.08 × 187,899.17
  4. Step 4: Simplify right side
    331,147.67x = 85,864,486,646.00
  5. Step 5: Solve for x
    x = 85,864,486,646.00/331,147.67
  6. Step 6: Final answer
    x = 259,293.65

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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.