Home / 260,852.72-391,165.14-92,317.06

Finding the Fourth Proportional to 260,852.72, 391,165.14 and 92,317.06

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Solution

The fourth proportional to 260,852.72, 391,165.14 and 92,317.06 is: 138,435.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,852.72 : 391,165.14 = 92,317.06 : x
  2. Step 2: Convert to fraction form
    260,852.72/391,165.14 = 92,317.06/x
  3. Step 3: Cross multiply
    260,852.72x = 391,165.14 × 92,317.06
  4. Step 4: Simplify right side
    260,852.72x = 36,111,213,281.88
  5. Step 5: Solve for x
    x = 36,111,213,281.88/260,852.72
  6. Step 6: Final answer
    x = 138,435.26

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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.