Home / 150,457.85-225,686.32-38,137.75

Finding the Fourth Proportional to 150,457.85, 225,686.32 and 38,137.75

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Solution

The fourth proportional to 150,457.85, 225,686.32 and 38,137.75 is: 57,206.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,457.85 : 225,686.32 = 38,137.75 : x
  2. Step 2: Convert to fraction form
    150,457.85/225,686.32 = 38,137.75/x
  3. Step 3: Cross multiply
    150,457.85x = 225,686.32 × 38,137.75
  4. Step 4: Simplify right side
    150,457.85x = 8,607,167,791.02
  5. Step 5: Solve for x
    x = 8,607,167,791.02/150,457.85
  6. Step 6: Final answer
    x = 57,206.51

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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.