Home / 251,409.28-376,604.40-116,281.60

Finding the Fourth Proportional to 251,409.28, 376,604.40 and 116,281.60

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Solution

The fourth proportional to 251,409.28, 376,604.40 and 116,281.60 is: 174,186.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,409.28 : 376,604.40 = 116,281.60 : x
  2. Step 2: Convert to fraction form
    251,409.28/376,604.40 = 116,281.60/x
  3. Step 3: Cross multiply
    251,409.28x = 376,604.40 × 116,281.60
  4. Step 4: Simplify right side
    251,409.28x = 43,792,162,199.04
  5. Step 5: Solve for x
    x = 43,792,162,199.04/251,409.28
  6. Step 6: Final answer
    x = 174,186.74

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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.