Home / 256,983.54-385,554.20-114,948.28

Finding the Fourth Proportional to 256,983.54, 385,554.20 and 114,948.28

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Solution

The fourth proportional to 256,983.54, 385,554.20 and 114,948.28 is: 172,457.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,983.54 : 385,554.20 = 114,948.28 : x
  2. Step 2: Convert to fraction form
    256,983.54/385,554.20 = 114,948.28/x
  3. Step 3: Cross multiply
    256,983.54x = 385,554.20 × 114,948.28
  4. Step 4: Simplify right side
    256,983.54x = 44,318,792,043.98
  5. Step 5: Solve for x
    x = 44,318,792,043.98/256,983.54
  6. Step 6: Final answer
    x = 172,457.71

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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.