Home / 106,916.63-160,264.24-87,997.88

Finding the Fourth Proportional to 106,916.63, 160,264.24 and 87,997.88

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Solution

The fourth proportional to 106,916.63, 160,264.24 and 87,997.88 is: 131,905.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,916.63 : 160,264.24 = 87,997.88 : x
  2. Step 2: Convert to fraction form
    106,916.63/160,264.24 = 87,997.88/x
  3. Step 3: Cross multiply
    106,916.63x = 160,264.24 × 87,997.88
  4. Step 4: Simplify right side
    106,916.63x = 14,102,913,540.48
  5. Step 5: Solve for x
    x = 14,102,913,540.48/106,916.63
  6. Step 6: Final answer
    x = 131,905.71

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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.