Home / 154,871.12-232,257.45-105,269.96

Finding the Fourth Proportional to 154,871.12, 232,257.45 and 105,269.96

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Solution

The fourth proportional to 154,871.12, 232,257.45 and 105,269.96 is: 157,871.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,871.12 : 232,257.45 = 105,269.96 : x
  2. Step 2: Convert to fraction form
    154,871.12/232,257.45 = 105,269.96/x
  3. Step 3: Cross multiply
    154,871.12x = 232,257.45 × 105,269.96
  4. Step 4: Simplify right side
    154,871.12x = 24,449,731,309.91
  5. Step 5: Solve for x
    x = 24,449,731,309.91/154,871.12
  6. Step 6: Final answer
    x = 157,871.47

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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.