Home / 261,929.87-392,566.25-111,994.16

Finding the Fourth Proportional to 261,929.87, 392,566.25 and 111,994.16

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Solution

The fourth proportional to 261,929.87, 392,566.25 and 111,994.16 is: 167,850.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,929.87 : 392,566.25 = 111,994.16 : x
  2. Step 2: Convert to fraction form
    261,929.87/392,566.25 = 111,994.16/x
  3. Step 3: Cross multiply
    261,929.87x = 392,566.25 × 111,994.16
  4. Step 4: Simplify right side
    261,929.87x = 43,965,125,730.25
  5. Step 5: Solve for x
    x = 43,965,125,730.25/261,929.87
  6. Step 6: Final answer
    x = 167,850.75

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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.