Home / 172,132.03-258,098.72-66,827.98

Finding the Fourth Proportional to 172,132.03, 258,098.72 and 66,827.98

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Solution

The fourth proportional to 172,132.03, 258,098.72 and 66,827.98 is: 100,203.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,132.03 : 258,098.72 = 66,827.98 : x
  2. Step 2: Convert to fraction form
    172,132.03/258,098.72 = 66,827.98/x
  3. Step 3: Cross multiply
    172,132.03x = 258,098.72 × 66,827.98
  4. Step 4: Simplify right side
    172,132.03x = 17,248,216,098.19
  5. Step 5: Solve for x
    x = 17,248,216,098.19/172,132.03
  6. Step 6: Final answer
    x = 100,203.41

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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.