Home / 260,046.41-390,129.48-110,292.53

Finding the Fourth Proportional to 260,046.41, 390,129.48 and 110,292.53

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Solution

The fourth proportional to 260,046.41, 390,129.48 and 110,292.53 is: 165,464.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,046.41 : 390,129.48 = 110,292.53 : x
  2. Step 2: Convert to fraction form
    260,046.41/390,129.48 = 110,292.53/x
  3. Step 3: Cross multiply
    260,046.41x = 390,129.48 × 110,292.53
  4. Step 4: Simplify right side
    260,046.41x = 43,028,365,426.14
  5. Step 5: Solve for x
    x = 43,028,365,426.14/260,046.41
  6. Step 6: Final answer
    x = 165,464.18

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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.