Home / 122,005.96-168,359.03-74,254.03

Finding the Fourth Proportional to 122,005.96, 168,359.03 and 74,254.03

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Solution

The fourth proportional to 122,005.96, 168,359.03 and 74,254.03 is: 102,464.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,005.96 : 168,359.03 = 74,254.03 : x
  2. Step 2: Convert to fraction form
    122,005.96/168,359.03 = 74,254.03/x
  3. Step 3: Cross multiply
    122,005.96x = 168,359.03 × 74,254.03
  4. Step 4: Simplify right side
    122,005.96x = 12,501,335,251.33
  5. Step 5: Solve for x
    x = 12,501,335,251.33/122,005.96
  6. Step 6: Final answer
    x = 102,464.96

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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.