Home / 122,043.82-168,426.72-68,325.63

Finding the Fourth Proportional to 122,043.82, 168,426.72 and 68,325.63

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Solution

The fourth proportional to 122,043.82, 168,426.72 and 68,325.63 is: 94,292.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,043.82 : 168,426.72 = 68,325.63 : x
  2. Step 2: Convert to fraction form
    122,043.82/168,426.72 = 68,325.63/x
  3. Step 3: Cross multiply
    122,043.82x = 168,426.72 × 68,325.63
  4. Step 4: Simplify right side
    122,043.82x = 11,507,861,752.83
  5. Step 5: Solve for x
    x = 11,507,861,752.83/122,043.82
  6. Step 6: Final answer
    x = 94,292.87

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1.5x scale

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.