Home / 178,737.18-268,142.70-52,381.56

Finding the Fourth Proportional to 178,737.18, 268,142.70 and 52,381.56

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Solution

The fourth proportional to 178,737.18, 268,142.70 and 52,381.56 is: 78,583.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,737.18 : 268,142.70 = 52,381.56 : x
  2. Step 2: Convert to fraction form
    178,737.18/268,142.70 = 52,381.56/x
  3. Step 3: Cross multiply
    178,737.18x = 268,142.70 × 52,381.56
  4. Step 4: Simplify right side
    178,737.18x = 14,045,733,376.43
  5. Step 5: Solve for x
    x = 14,045,733,376.43/178,737.18
  6. Step 6: Final answer
    x = 78,583.16

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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.