Home / 260,331.76-390,051.42-174,782.35

Finding the Fourth Proportional to 260,331.76, 390,051.42 and 174,782.35

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Solution

The fourth proportional to 260,331.76, 390,051.42 and 174,782.35 is: 261,873.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,331.76 : 390,051.42 = 174,782.35 : x
  2. Step 2: Convert to fraction form
    260,331.76/390,051.42 = 174,782.35/x
  3. Step 3: Cross multiply
    260,331.76x = 390,051.42 × 174,782.35
  4. Step 4: Simplify right side
    260,331.76x = 68,174,103,808.44
  5. Step 5: Solve for x
    x = 68,174,103,808.44/260,331.76
  6. Step 6: Final answer
    x = 261,873.94

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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.