Home / 154,027.80-231,041.70-135,948.60

Finding the Fourth Proportional to 154,027.80, 231,041.70 and 135,948.60

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Solution

The fourth proportional to 154,027.80, 231,041.70 and 135,948.60 is: 203,922.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,027.80 : 231,041.70 = 135,948.60 : x
  2. Step 2: Convert to fraction form
    154,027.80/231,041.70 = 135,948.60/x
  3. Step 3: Cross multiply
    154,027.80x = 231,041.70 × 135,948.60
  4. Step 4: Simplify right side
    154,027.80x = 31,409,795,656.62
  5. Step 5: Solve for x
    x = 31,409,795,656.62/154,027.80
  6. Step 6: Final answer
    x = 203,922.90

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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.