Home / 215,910.02-323,431.29-107,512.82

Finding the Fourth Proportional to 215,910.02, 323,431.29 and 107,512.82

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Solution

The fourth proportional to 215,910.02, 323,431.29 and 107,512.82 is: 161,053.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,910.02 : 323,431.29 = 107,512.82 : x
  2. Step 2: Convert to fraction form
    215,910.02/323,431.29 = 107,512.82/x
  3. Step 3: Cross multiply
    215,910.02x = 323,431.29 × 107,512.82
  4. Step 4: Simplify right side
    215,910.02x = 34,773,008,715.76
  5. Step 5: Solve for x
    x = 34,773,008,715.76/215,910.02
  6. Step 6: Final answer
    x = 161,053.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.