Home / 122,420.60-183,620.10-33,666.20

Finding the Fourth Proportional to 122,420.60, 183,620.10 and 33,666.20

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Solution

The fourth proportional to 122,420.60, 183,620.10 and 33,666.20 is: 50,496.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,420.60 : 183,620.10 = 33,666.20 : x
  2. Step 2: Convert to fraction form
    122,420.60/183,620.10 = 33,666.20/x
  3. Step 3: Cross multiply
    122,420.60x = 183,620.10 × 33,666.20
  4. Step 4: Simplify right side
    122,420.60x = 6,181,791,010.62
  5. Step 5: Solve for x
    x = 6,181,791,010.62/122,420.60
  6. Step 6: Final answer
    x = 50,496.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.