Home / 154,167.12-231,250.44-43,359.12

Finding the Fourth Proportional to 154,167.12, 231,250.44 and 43,359.12

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Solution

The fourth proportional to 154,167.12, 231,250.44 and 43,359.12 is: 65,038.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,167.12 : 231,250.44 = 43,359.12 : x
  2. Step 2: Convert to fraction form
    154,167.12/231,250.44 = 43,359.12/x
  3. Step 3: Cross multiply
    154,167.12x = 231,250.44 × 43,359.12
  4. Step 4: Simplify right side
    154,167.12x = 10,026,815,578.01
  5. Step 5: Solve for x
    x = 10,026,815,578.01/154,167.12
  6. Step 6: Final answer
    x = 65,038.61

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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.