Home / 331,148.17-456,971.79-187,899.67

Finding the Fourth Proportional to 331,148.17, 456,971.79 and 187,899.67

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Solution

The fourth proportional to 331,148.17, 456,971.79 and 187,899.67 is: 259,294.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,148.17 : 456,971.79 = 187,899.67 : x
  2. Step 2: Convert to fraction form
    331,148.17/456,971.79 = 187,899.67/x
  3. Step 3: Cross multiply
    331,148.17x = 456,971.79 × 187,899.67
  4. Step 4: Simplify right side
    331,148.17x = 85,864,848,540.31
  5. Step 5: Solve for x
    x = 85,864,848,540.31/331,148.17
  6. Step 6: Final answer
    x = 259,294.35

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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.