Home / 354,018.38-530,912.73-117,297.50

Finding the Fourth Proportional to 354,018.38, 530,912.73 and 117,297.50

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Solution

The fourth proportional to 354,018.38, 530,912.73 and 117,297.50 is: 175,908.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,018.38 : 530,912.73 = 117,297.50 : x
  2. Step 2: Convert to fraction form
    354,018.38/530,912.73 = 117,297.50/x
  3. Step 3: Cross multiply
    354,018.38x = 530,912.73 × 117,297.50
  4. Step 4: Simplify right side
    354,018.38x = 62,274,735,947.18
  5. Step 5: Solve for x
    x = 62,274,735,947.18/354,018.38
  6. Step 6: Final answer
    x = 175,908.20

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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.