Home / 122,144.16-168,528.24-71,833.44

Finding the Fourth Proportional to 122,144.16, 168,528.24 and 71,833.44

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Solution

The fourth proportional to 122,144.16, 168,528.24 and 71,833.44 is: 99,112.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,144.16 : 168,528.24 = 71,833.44 : x
  2. Step 2: Convert to fraction form
    122,144.16/168,528.24 = 71,833.44/x
  3. Step 3: Cross multiply
    122,144.16x = 168,528.24 × 71,833.44
  4. Step 4: Simplify right side
    122,144.16x = 12,105,963,216.35
  5. Step 5: Solve for x
    x = 12,105,963,216.35/122,144.16
  6. Step 6: Final answer
    x = 99,112.09

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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.