Home / 178,737.40-268,105.88-45,617.66

Finding the Fourth Proportional to 178,737.40, 268,105.88 and 45,617.66

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Solution

The fourth proportional to 178,737.40, 268,105.88 and 45,617.66 is: 68,426.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,737.40 : 268,105.88 = 45,617.66 : x
  2. Step 2: Convert to fraction form
    178,737.40/268,105.88 = 45,617.66/x
  3. Step 3: Cross multiply
    178,737.40x = 268,105.88 × 45,617.66
  4. Step 4: Simplify right side
    178,737.40x = 12,230,362,877.84
  5. Step 5: Solve for x
    x = 12,230,362,877.84/178,737.40
  6. Step 6: Final answer
    x = 68,426.43

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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.