Home / 255,285.96-382,928.76-114,880.56

Finding the Fourth Proportional to 255,285.96, 382,928.76 and 114,880.56

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Solution

The fourth proportional to 255,285.96, 382,928.76 and 114,880.56 is: 172,320.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,285.96 : 382,928.76 = 114,880.56 : x
  2. Step 2: Convert to fraction form
    255,285.96/382,928.76 = 114,880.56/x
  3. Step 3: Cross multiply
    255,285.96x = 382,928.76 × 114,880.56
  4. Step 4: Simplify right side
    255,285.96x = 43,991,070,388.91
  5. Step 5: Solve for x
    x = 43,991,070,388.91/255,285.96
  6. Step 6: Final answer
    x = 172,320.76

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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.