Home / 143,256.44-214,977.90-54,510.68

Finding the Fourth Proportional to 143,256.44, 214,977.90 and 54,510.68

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Solution

The fourth proportional to 143,256.44, 214,977.90 and 54,510.68 is: 81,801.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,256.44 : 214,977.90 = 54,510.68 : x
  2. Step 2: Convert to fraction form
    143,256.44/214,977.90 = 54,510.68/x
  3. Step 3: Cross multiply
    143,256.44x = 214,977.90 × 54,510.68
  4. Step 4: Simplify right side
    143,256.44x = 11,718,591,513.97
  5. Step 5: Solve for x
    x = 11,718,591,513.97/143,256.44
  6. Step 6: Final answer
    x = 81,801.50

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1.5x scale

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.