Home / 178,837.47-268,297.70-52,472.61

Finding the Fourth Proportional to 178,837.47, 268,297.70 and 52,472.61

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Solution

The fourth proportional to 178,837.47, 268,297.70 and 52,472.61 is: 78,721.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,837.47 : 268,297.70 = 52,472.61 : x
  2. Step 2: Convert to fraction form
    178,837.47/268,297.70 = 52,472.61/x
  3. Step 3: Cross multiply
    178,837.47x = 268,297.70 × 52,472.61
  4. Step 4: Simplify right side
    178,837.47x = 14,078,280,313.63
  5. Step 5: Solve for x
    x = 14,078,280,313.63/178,837.47
  6. Step 6: Final answer
    x = 78,721.09

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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.