Home / 260,256.33-390,441.96-110,624.49

Finding the Fourth Proportional to 260,256.33, 390,441.96 and 110,624.49

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Solution

The fourth proportional to 260,256.33, 390,441.96 and 110,624.49 is: 165,961.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,256.33 : 390,441.96 = 110,624.49 : x
  2. Step 2: Convert to fraction form
    260,256.33/390,441.96 = 110,624.49/x
  3. Step 3: Cross multiply
    260,256.33x = 390,441.96 × 110,624.49
  4. Step 4: Simplify right side
    260,256.33x = 43,192,442,699.60
  5. Step 5: Solve for x
    x = 43,192,442,699.60/260,256.33
  6. Step 6: Final answer
    x = 165,961.16

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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.