Home / 157,935.72-236,890.28-67,974.80

Finding the Fourth Proportional to 157,935.72, 236,890.28 and 67,974.80

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Solution

The fourth proportional to 157,935.72, 236,890.28 and 67,974.80 is: 101,956.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,935.72 : 236,890.28 = 67,974.80 : x
  2. Step 2: Convert to fraction form
    157,935.72/236,890.28 = 67,974.80/x
  3. Step 3: Cross multiply
    157,935.72x = 236,890.28 × 67,974.80
  4. Step 4: Simplify right side
    157,935.72x = 16,102,569,554.94
  5. Step 5: Solve for x
    x = 16,102,569,554.94/157,935.72
  6. Step 6: Final answer
    x = 101,956.47

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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.