Home / 372,383.23-558,137.45-172,280.94

Finding the Fourth Proportional to 372,383.23, 558,137.45 and 172,280.94

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Solution

The fourth proportional to 372,383.23, 558,137.45 and 172,280.94 is: 258,219.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,383.23 : 558,137.45 = 172,280.94 : x
  2. Step 2: Convert to fraction form
    372,383.23/558,137.45 = 172,280.94/x
  3. Step 3: Cross multiply
    372,383.23x = 558,137.45 × 172,280.94
  4. Step 4: Simplify right side
    372,383.23x = 96,156,440,883.11
  5. Step 5: Solve for x
    x = 96,156,440,883.11/372,383.23
  6. Step 6: Final answer
    x = 258,219.04

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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.