Home / 326,371.38-488,901.22-166,440.83

Finding the Fourth Proportional to 326,371.38, 488,901.22 and 166,440.83

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Solution

The fourth proportional to 326,371.38, 488,901.22 and 166,440.83 is: 249,326.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,371.38 : 488,901.22 = 166,440.83 : x
  2. Step 2: Convert to fraction form
    326,371.38/488,901.22 = 166,440.83/x
  3. Step 3: Cross multiply
    326,371.38x = 488,901.22 × 166,440.83
  4. Step 4: Simplify right side
    326,371.38x = 81,373,121,984.20
  5. Step 5: Solve for x
    x = 81,373,121,984.20/326,371.38
  6. Step 6: Final answer
    x = 249,326.77

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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.