Home / 122,174.46-168,600.53-74,427.81

Finding the Fourth Proportional to 122,174.46, 168,600.53 and 74,427.81

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Solution

The fourth proportional to 122,174.46, 168,600.53 and 74,427.81 is: 102,710.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,174.46 : 168,600.53 = 74,427.81 : x
  2. Step 2: Convert to fraction form
    122,174.46/168,600.53 = 74,427.81/x
  3. Step 3: Cross multiply
    122,174.46x = 168,600.53 × 74,427.81
  4. Step 4: Simplify right side
    122,174.46x = 12,548,567,766.56
  5. Step 5: Solve for x
    x = 12,548,567,766.56/122,174.46
  6. Step 6: Final answer
    x = 102,710.24

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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.