Home / 132,474.84-182,815.98-72,045.96

Finding the Fourth Proportional to 132,474.84, 182,815.98 and 72,045.96

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Solution

The fourth proportional to 132,474.84, 182,815.98 and 72,045.96 is: 99,423.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,474.84 : 182,815.98 = 72,045.96 : x
  2. Step 2: Convert to fraction form
    132,474.84/182,815.98 = 72,045.96/x
  3. Step 3: Cross multiply
    132,474.84x = 182,815.98 × 72,045.96
  4. Step 4: Simplify right side
    132,474.84x = 13,171,152,782.44
  5. Step 5: Solve for x
    x = 13,171,152,782.44/132,474.84
  6. Step 6: Final answer
    x = 99,423.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.