Home / 119,115.12-178,653.24-40,227.60

Finding the Fourth Proportional to 119,115.12, 178,653.24 and 40,227.60

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Solution

The fourth proportional to 119,115.12, 178,653.24 and 40,227.60 is: 60,334.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,115.12 : 178,653.24 = 40,227.60 : x
  2. Step 2: Convert to fraction form
    119,115.12/178,653.24 = 40,227.60/x
  3. Step 3: Cross multiply
    119,115.12x = 178,653.24 × 40,227.60
  4. Step 4: Simplify right side
    119,115.12x = 7,186,791,077.42
  5. Step 5: Solve for x
    x = 7,186,791,077.42/119,115.12
  6. Step 6: Final answer
    x = 60,334.83

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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.