Home / 155,172.84-232,874.77-115,284.69

Finding the Fourth Proportional to 155,172.84, 232,874.77 and 115,284.69

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Solution

The fourth proportional to 155,172.84, 232,874.77 and 115,284.69 is: 173,012.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,172.84 : 232,874.77 = 115,284.69 : x
  2. Step 2: Convert to fraction form
    155,172.84/232,874.77 = 115,284.69/x
  3. Step 3: Cross multiply
    155,172.84x = 232,874.77 × 115,284.69
  4. Step 4: Simplify right side
    155,172.84x = 26,846,896,575.42
  5. Step 5: Solve for x
    x = 26,846,896,575.42/155,172.84
  6. Step 6: Final answer
    x = 173,012.86

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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.