Home / 331,188.72-456,969.24-187,937.52

Finding the Fourth Proportional to 331,188.72, 456,969.24 and 187,937.52

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Solution

The fourth proportional to 331,188.72, 456,969.24 and 187,937.52 is: 259,313.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,188.72 : 456,969.24 = 187,937.52 : x
  2. Step 2: Convert to fraction form
    331,188.72/456,969.24 = 187,937.52/x
  3. Step 3: Cross multiply
    331,188.72x = 456,969.24 × 187,937.52
  4. Step 4: Simplify right side
    331,188.72x = 85,881,665,681.88
  5. Step 5: Solve for x
    x = 85,881,665,681.88/331,188.72
  6. Step 6: Final answer
    x = 259,313.38

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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.