Home / 154,480.10-231,331.35-101,603.30

Finding the Fourth Proportional to 154,480.10, 231,331.35 and 101,603.30

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Solution

The fourth proportional to 154,480.10, 231,331.35 and 101,603.30 is: 152,149.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,480.10 : 231,331.35 = 101,603.30 : x
  2. Step 2: Convert to fraction form
    154,480.10/231,331.35 = 101,603.30/x
  3. Step 3: Cross multiply
    154,480.10x = 231,331.35 × 101,603.30
  4. Step 4: Simplify right side
    154,480.10x = 23,504,028,553.46
  5. Step 5: Solve for x
    x = 23,504,028,553.46/154,480.10
  6. Step 6: Final answer
    x = 152,149.23

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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.