Home / 112,265.40-167,912.10-100,504.20

Finding the Fourth Proportional to 112,265.40, 167,912.10 and 100,504.20

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Solution

The fourth proportional to 112,265.40, 167,912.10 and 100,504.20 is: 150,321.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,265.40 : 167,912.10 = 100,504.20 : x
  2. Step 2: Convert to fraction form
    112,265.40/167,912.10 = 100,504.20/x
  3. Step 3: Cross multiply
    112,265.40x = 167,912.10 × 100,504.20
  4. Step 4: Simplify right side
    112,265.40x = 16,875,871,280.82
  5. Step 5: Solve for x
    x = 16,875,871,280.82/112,265.40
  6. Step 6: Final answer
    x = 150,321.21

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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.