Home / 276,317.78-381,284.25-174,304.58

Finding the Fourth Proportional to 276,317.78, 381,284.25 and 174,304.58

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Solution

The fourth proportional to 276,317.78, 381,284.25 and 174,304.58 is: 240,518.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,317.78 : 381,284.25 = 174,304.58 : x
  2. Step 2: Convert to fraction form
    276,317.78/381,284.25 = 174,304.58/x
  3. Step 3: Cross multiply
    276,317.78x = 381,284.25 × 174,304.58
  4. Step 4: Simplify right side
    276,317.78x = 66,459,591,056.87
  5. Step 5: Solve for x
    x = 66,459,591,056.87/276,317.78
  6. Step 6: Final answer
    x = 240,518.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.