Home / 154,103.58-231,156.27-47,486.16

Finding the Fourth Proportional to 154,103.58, 231,156.27 and 47,486.16

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Solution

The fourth proportional to 154,103.58, 231,156.27 and 47,486.16 is: 71,229.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,103.58 : 231,156.27 = 47,486.16 : x
  2. Step 2: Convert to fraction form
    154,103.58/231,156.27 = 47,486.16/x
  3. Step 3: Cross multiply
    154,103.58x = 231,156.27 × 47,486.16
  4. Step 4: Simplify right side
    154,103.58x = 10,976,723,622.22
  5. Step 5: Solve for x
    x = 10,976,723,622.22/154,103.58
  6. Step 6: Final answer
    x = 71,229.52

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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.