Home / 236,140.80-354,211.20-123,777.60

Finding the Fourth Proportional to 236,140.80, 354,211.20 and 123,777.60

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Solution

The fourth proportional to 236,140.80, 354,211.20 and 123,777.60 is: 185,666.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,140.80 : 354,211.20 = 123,777.60 : x
  2. Step 2: Convert to fraction form
    236,140.80/354,211.20 = 123,777.60/x
  3. Step 3: Cross multiply
    236,140.80x = 354,211.20 × 123,777.60
  4. Step 4: Simplify right side
    236,140.80x = 43,843,412,229.12
  5. Step 5: Solve for x
    x = 43,843,412,229.12/236,140.80
  6. Step 6: Final answer
    x = 185,666.40

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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.