Home / 287,324.95-396,508.43-166,536.30

Finding the Fourth Proportional to 287,324.95, 396,508.43 and 166,536.30

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Solution

The fourth proportional to 287,324.95, 396,508.43 and 166,536.30 is: 229,820.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,324.95 : 396,508.43 = 166,536.30 : x
  2. Step 2: Convert to fraction form
    287,324.95/396,508.43 = 166,536.30/x
  3. Step 3: Cross multiply
    287,324.95x = 396,508.43 × 166,536.30
  4. Step 4: Simplify right side
    287,324.95x = 66,033,046,018.33
  5. Step 5: Solve for x
    x = 66,033,046,018.33/287,324.95
  6. Step 6: Final answer
    x = 229,820.09

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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.