Home / 122,332.56-169,151.94-106,586.16

Finding the Fourth Proportional to 122,332.56, 169,151.94 and 106,586.16

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Solution

The fourth proportional to 122,332.56, 169,151.94 and 106,586.16 is: 147,379.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,332.56 : 169,151.94 = 106,586.16 : x
  2. Step 2: Convert to fraction form
    122,332.56/169,151.94 = 106,586.16/x
  3. Step 3: Cross multiply
    122,332.56x = 169,151.94 × 106,586.16
  4. Step 4: Simplify right side
    122,332.56x = 18,029,255,741.15
  5. Step 5: Solve for x
    x = 18,029,255,741.15/122,332.56
  6. Step 6: Final answer
    x = 147,379.04

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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.