Home / 122,256.88-168,722.61-68,545.37

Finding the Fourth Proportional to 122,256.88, 168,722.61 and 68,545.37

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Solution

The fourth proportional to 122,256.88, 168,722.61 and 68,545.37 is: 94,597.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,256.88 : 168,722.61 = 68,545.37 : x
  2. Step 2: Convert to fraction form
    122,256.88/168,722.61 = 68,545.37/x
  3. Step 3: Cross multiply
    122,256.88x = 168,722.61 × 68,545.37
  4. Step 4: Simplify right side
    122,256.88x = 11,565,153,729.82
  5. Step 5: Solve for x
    x = 11,565,153,729.82/122,256.88
  6. Step 6: Final answer
    x = 94,597.16

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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.