Home / 122,886.86-169,636.18-82,623.92

Finding the Fourth Proportional to 122,886.86, 169,636.18 and 82,623.92

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Solution

The fourth proportional to 122,886.86, 169,636.18 and 82,623.92 is: 114,056.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,886.86 : 169,636.18 = 82,623.92 : x
  2. Step 2: Convert to fraction form
    122,886.86/169,636.18 = 82,623.92/x
  3. Step 3: Cross multiply
    122,886.86x = 169,636.18 × 82,623.92
  4. Step 4: Simplify right side
    122,886.86x = 14,016,006,165.43
  5. Step 5: Solve for x
    x = 14,016,006,165.43/122,886.86
  6. Step 6: Final answer
    x = 114,056.18

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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.