Home / 331,321.16-457,234.26-180,423.56

Finding the Fourth Proportional to 331,321.16, 457,234.26 and 180,423.56

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Solution

The fourth proportional to 331,321.16, 457,234.26 and 180,423.56 is: 248,990.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,321.16 : 457,234.26 = 180,423.56 : x
  2. Step 2: Convert to fraction form
    331,321.16/457,234.26 = 180,423.56/x
  3. Step 3: Cross multiply
    331,321.16x = 457,234.26 × 180,423.56
  4. Step 4: Simplify right side
    331,321.16x = 82,495,832,943.17
  5. Step 5: Solve for x
    x = 82,495,832,943.17/331,321.16
  6. Step 6: Final answer
    x = 248,990.54

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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.