Home / 260,230.92-390,045.18-119,694.60

Finding the Fourth Proportional to 260,230.92, 390,045.18 and 119,694.60

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Solution

The fourth proportional to 260,230.92, 390,045.18 and 119,694.60 is: 179,403.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,230.92 : 390,045.18 = 119,694.60 : x
  2. Step 2: Convert to fraction form
    260,230.92/390,045.18 = 119,694.60/x
  3. Step 3: Cross multiply
    260,230.92x = 390,045.18 × 119,694.60
  4. Step 4: Simplify right side
    260,230.92x = 46,686,301,802.03
  5. Step 5: Solve for x
    x = 46,686,301,802.03/260,230.92
  6. Step 6: Final answer
    x = 179,403.36

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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.