Home / 154,217.80-231,326.70-119,182.60

Finding the Fourth Proportional to 154,217.80, 231,326.70 and 119,182.60

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Solution

The fourth proportional to 154,217.80, 231,326.70 and 119,182.60 is: 178,773.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,217.80 : 231,326.70 = 119,182.60 : x
  2. Step 2: Convert to fraction form
    154,217.80/231,326.70 = 119,182.60/x
  3. Step 3: Cross multiply
    154,217.80x = 231,326.70 × 119,182.60
  4. Step 4: Simplify right side
    154,217.80x = 27,570,117,555.42
  5. Step 5: Solve for x
    x = 27,570,117,555.42/154,217.80
  6. Step 6: Final answer
    x = 178,773.90

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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.