Home / 260,511.45-390,767.18-176,311.95

Finding the Fourth Proportional to 260,511.45, 390,767.18 and 176,311.95

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Solution

The fourth proportional to 260,511.45, 390,767.18 and 176,311.95 is: 264,467.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,511.45 : 390,767.18 = 176,311.95 : x
  2. Step 2: Convert to fraction form
    260,511.45/390,767.18 = 176,311.95/x
  3. Step 3: Cross multiply
    260,511.45x = 390,767.18 × 176,311.95
  4. Step 4: Simplify right side
    260,511.45x = 68,896,922,620.24
  5. Step 5: Solve for x
    x = 68,896,922,620.24/260,511.45
  6. Step 6: Final answer
    x = 264,467.93

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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.