Home / 453,203.22-679,192.45-172,567.38

Finding the Fourth Proportional to 453,203.22, 679,192.45 and 172,567.38

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Solution

The fourth proportional to 453,203.22, 679,192.45 and 172,567.38 is: 258,617.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,203.22 : 679,192.45 = 172,567.38 : x
  2. Step 2: Convert to fraction form
    453,203.22/679,192.45 = 172,567.38/x
  3. Step 3: Cross multiply
    453,203.22x = 679,192.45 × 172,567.38
  4. Step 4: Simplify right side
    453,203.22x = 117,206,461,180.86
  5. Step 5: Solve for x
    x = 117,206,461,180.86/453,203.22
  6. Step 6: Final answer
    x = 258,617.89

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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.