Home / 122,924.85-169,279.23-106,784.79

Finding the Fourth Proportional to 122,924.85, 169,279.23 and 106,784.79

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Solution

The fourth proportional to 122,924.85, 169,279.23 and 106,784.79 is: 147,052.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,924.85 : 169,279.23 = 106,784.79 : x
  2. Step 2: Convert to fraction form
    122,924.85/169,279.23 = 106,784.79/x
  3. Step 3: Cross multiply
    122,924.85x = 169,279.23 × 106,784.79
  4. Step 4: Simplify right side
    122,924.85x = 18,076,447,026.91
  5. Step 5: Solve for x
    x = 18,076,447,026.91/122,924.85
  6. Step 6: Final answer
    x = 147,052.83

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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.