Home / 171,886.10-258,023.55-132,617.30

Finding the Fourth Proportional to 171,886.10, 258,023.55 and 132,617.30

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Solution

The fourth proportional to 171,886.10, 258,023.55 and 132,617.30 is: 199,075.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,886.10 : 258,023.55 = 132,617.30 : x
  2. Step 2: Convert to fraction form
    171,886.10/258,023.55 = 132,617.30/x
  3. Step 3: Cross multiply
    171,886.10x = 258,023.55 × 132,617.30
  4. Step 4: Simplify right side
    171,886.10x = 34,218,386,537.42
  5. Step 5: Solve for x
    x = 34,218,386,537.42/171,886.10
  6. Step 6: Final answer
    x = 199,075.94

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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.