Home / 154,353.27-231,528.61-120,647.64

Finding the Fourth Proportional to 154,353.27, 231,528.61 and 120,647.64

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Solution

The fourth proportional to 154,353.27, 231,528.61 and 120,647.64 is: 180,970.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,353.27 : 231,528.61 = 120,647.64 : x
  2. Step 2: Convert to fraction form
    154,353.27/231,528.61 = 120,647.64/x
  3. Step 3: Cross multiply
    154,353.27x = 231,528.61 × 120,647.64
  4. Step 4: Simplify right side
    154,353.27x = 27,933,380,458.28
  5. Step 5: Solve for x
    x = 27,933,380,458.28/154,353.27
  6. Step 6: Final answer
    x = 180,970.45

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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.