Home / 282,321.05-389,432.00-167,524.20

Finding the Fourth Proportional to 282,321.05, 389,432.00 and 167,524.20

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Solution

The fourth proportional to 282,321.05, 389,432.00 and 167,524.20 is: 231,081.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,321.05 : 389,432.00 = 167,524.20 : x
  2. Step 2: Convert to fraction form
    282,321.05/389,432.00 = 167,524.20/x
  3. Step 3: Cross multiply
    282,321.05x = 389,432.00 × 167,524.20
  4. Step 4: Simplify right side
    282,321.05x = 65,239,284,673.21
  5. Step 5: Solve for x
    x = 65,239,284,673.21/282,321.05
  6. Step 6: Final answer
    x = 231,081.90

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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.