Home / 738,142.81-1,107,214.23-177,177.31

Finding the Fourth Proportional to 738,142.81, 1,107,214.23 and 177,177.31

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Solution

The fourth proportional to 738,142.81, 1,107,214.23 and 177,177.31 is: 265,765.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,142.81 : 1,107,214.23 = 177,177.31 : x
  2. Step 2: Convert to fraction form
    738,142.81/1,107,214.23 = 177,177.31/x
  3. Step 3: Cross multiply
    738,142.81x = 1,107,214.23 × 177,177.31
  4. Step 4: Simplify right side
    738,142.81x = 196,173,238,865.12
  5. Step 5: Solve for x
    x = 196,173,238,865.12/738,142.81
  6. Step 6: Final answer
    x = 265,765.97

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Similar ratio
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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.