Home / 192,823.76-266,102.92-112,279.52

Finding the Fourth Proportional to 192,823.76, 266,102.92 and 112,279.52

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Solution

The fourth proportional to 192,823.76, 266,102.92 and 112,279.52 is: 154,949.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,823.76 : 266,102.92 = 112,279.52 : x
  2. Step 2: Convert to fraction form
    192,823.76/266,102.92 = 112,279.52/x
  3. Step 3: Cross multiply
    192,823.76x = 266,102.92 × 112,279.52
  4. Step 4: Simplify right side
    192,823.76x = 29,877,908,128.20
  5. Step 5: Solve for x
    x = 29,877,908,128.20/192,823.76
  6. Step 6: Final answer
    x = 154,949.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.