Home / 331,172.55-456,992.06-187,932.59

Finding the Fourth Proportional to 331,172.55, 456,992.06 and 187,932.59

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Solution

The fourth proportional to 331,172.55, 456,992.06 and 187,932.59 is: 259,332.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,172.55 : 456,992.06 = 187,932.59 : x
  2. Step 2: Convert to fraction form
    331,172.55/456,992.06 = 187,932.59/x
  3. Step 3: Cross multiply
    331,172.55x = 456,992.06 × 187,932.59
  4. Step 4: Simplify right side
    331,172.55x = 85,883,703,712.23
  5. Step 5: Solve for x
    x = 85,883,703,712.23/331,172.55
  6. Step 6: Final answer
    x = 259,332.19

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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.