Home / 122,166.24-168,586.56-71,868.48

Finding the Fourth Proportional to 122,166.24, 168,586.56 and 71,868.48

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Solution

The fourth proportional to 122,166.24, 168,586.56 and 71,868.48 is: 99,176.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,166.24 : 168,586.56 = 71,868.48 : x
  2. Step 2: Convert to fraction form
    122,166.24/168,586.56 = 71,868.48/x
  3. Step 3: Cross multiply
    122,166.24x = 168,586.56 × 71,868.48
  4. Step 4: Simplify right side
    122,166.24x = 12,116,059,815.63
  5. Step 5: Solve for x
    x = 12,116,059,815.63/122,166.24
  6. Step 6: Final answer
    x = 99,176.83

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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.