Home / 326,321.38-450,350.65-181,140.83

Finding the Fourth Proportional to 326,321.38, 450,350.65 and 181,140.83

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Solution

The fourth proportional to 326,321.38, 450,350.65 and 181,140.83 is: 249,989.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,321.38 : 450,350.65 = 181,140.83 : x
  2. Step 2: Convert to fraction form
    326,321.38/450,350.65 = 181,140.83/x
  3. Step 3: Cross multiply
    326,321.38x = 450,350.65 × 181,140.83
  4. Step 4: Simplify right side
    326,321.38x = 81,576,890,532.04
  5. Step 5: Solve for x
    x = 81,576,890,532.04/326,321.38
  6. Step 6: Final answer
    x = 249,989.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.