Home / 122,331.60-183,497.40-75,675.60

Finding the Fourth Proportional to 122,331.60, 183,497.40 and 75,675.60

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Solution

The fourth proportional to 122,331.60, 183,497.40 and 75,675.60 is: 113,513.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,331.60 : 183,497.40 = 75,675.60 : x
  2. Step 2: Convert to fraction form
    122,331.60/183,497.40 = 75,675.60/x
  3. Step 3: Cross multiply
    122,331.60x = 183,497.40 × 75,675.60
  4. Step 4: Simplify right side
    122,331.60x = 13,886,275,843.44
  5. Step 5: Solve for x
    x = 13,886,275,843.44/122,331.60
  6. Step 6: Final answer
    x = 113,513.40

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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.