Home / 122,881.05-169,488.50-82,024.60

Finding the Fourth Proportional to 122,881.05, 169,488.50 and 82,024.60

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Solution

The fourth proportional to 122,881.05, 169,488.50 and 82,024.60 is: 113,135.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,881.05 : 169,488.50 = 82,024.60 : x
  2. Step 2: Convert to fraction form
    122,881.05/169,488.50 = 82,024.60/x
  3. Step 3: Cross multiply
    122,881.05x = 169,488.50 × 82,024.60
  4. Step 4: Simplify right side
    122,881.05x = 13,902,226,362.44
  5. Step 5: Solve for x
    x = 13,902,226,362.44/122,881.05
  6. Step 6: Final answer
    x = 113,135.64

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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.