Home / 260,454.19-390,414.87-176,223.25

Finding the Fourth Proportional to 260,454.19, 390,414.87 and 176,223.25

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Solution

The fourth proportional to 260,454.19, 390,414.87 and 176,223.25 is: 264,154.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,454.19 : 390,414.87 = 176,223.25 : x
  2. Step 2: Convert to fraction form
    260,454.19/390,414.87 = 176,223.25/x
  3. Step 3: Cross multiply
    260,454.19x = 390,414.87 × 176,223.25
  4. Step 4: Simplify right side
    260,454.19x = 68,800,176,704.25
  5. Step 5: Solve for x
    x = 68,800,176,704.25/260,454.19
  6. Step 6: Final answer
    x = 264,154.62

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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.