Home / 122,531.20-183,796.80-39,433.60

Finding the Fourth Proportional to 122,531.20, 183,796.80 and 39,433.60

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Solution

The fourth proportional to 122,531.20, 183,796.80 and 39,433.60 is: 59,150.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,531.20 : 183,796.80 = 39,433.60 : x
  2. Step 2: Convert to fraction form
    122,531.20/183,796.80 = 39,433.60/x
  3. Step 3: Cross multiply
    122,531.20x = 183,796.80 × 39,433.60
  4. Step 4: Simplify right side
    122,531.20x = 7,247,769,492.48
  5. Step 5: Solve for x
    x = 7,247,769,492.48/122,531.20
  6. Step 6: Final answer
    x = 59,150.40

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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.