Home / 167,130.05-230,638.23-90,648.90

Finding the Fourth Proportional to 167,130.05, 230,638.23 and 90,648.90

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Solution

The fourth proportional to 167,130.05, 230,638.23 and 90,648.90 is: 125,094.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,130.05 : 230,638.23 = 90,648.90 : x
  2. Step 2: Convert to fraction form
    167,130.05/230,638.23 = 90,648.90/x
  3. Step 3: Cross multiply
    167,130.05x = 230,638.23 × 90,648.90
  4. Step 4: Simplify right side
    167,130.05x = 20,907,101,847.45
  5. Step 5: Solve for x
    x = 20,907,101,847.45/167,130.05
  6. Step 6: Final answer
    x = 125,094.81

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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.