Home / 154,235.41-231,267.15-47,589.09

Finding the Fourth Proportional to 154,235.41, 231,267.15 and 47,589.09

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Solution

The fourth proportional to 154,235.41, 231,267.15 and 47,589.09 is: 71,357.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,235.41 : 231,267.15 = 47,589.09 : x
  2. Step 2: Convert to fraction form
    154,235.41/231,267.15 = 47,589.09/x
  3. Step 3: Cross multiply
    154,235.41x = 231,267.15 × 47,589.09
  4. Step 4: Simplify right side
    154,235.41x = 11,005,793,215.39
  5. Step 5: Solve for x
    x = 11,005,793,215.39/154,235.41
  6. Step 6: Final answer
    x = 71,357.11

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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.