Home / 147,245.67-220,889.39-47,382.66

Finding the Fourth Proportional to 147,245.67, 220,889.39 and 47,382.66

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Solution

The fourth proportional to 147,245.67, 220,889.39 and 47,382.66 is: 71,080.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,245.67 : 220,889.39 = 47,382.66 : x
  2. Step 2: Convert to fraction form
    147,245.67/220,889.39 = 47,382.66/x
  3. Step 3: Cross multiply
    147,245.67x = 220,889.39 × 47,382.66
  4. Step 4: Simplify right side
    147,245.67x = 10,466,326,627.06
  5. Step 5: Solve for x
    x = 10,466,326,627.06/147,245.67
  6. Step 6: Final answer
    x = 71,080.71

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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.