Home / 331,932.16-458,064.30-188,692.21

Finding the Fourth Proportional to 331,932.16, 458,064.30 and 188,692.21

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Solution

The fourth proportional to 331,932.16, 458,064.30 and 188,692.21 is: 260,394.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,932.16 : 458,064.30 = 188,692.21 : x
  2. Step 2: Convert to fraction form
    331,932.16/458,064.30 = 188,692.21/x
  3. Step 3: Cross multiply
    331,932.16x = 458,064.30 × 188,692.21
  4. Step 4: Simplify right side
    331,932.16x = 86,433,165,089.10
  5. Step 5: Solve for x
    x = 86,433,165,089.10/331,932.16
  6. Step 6: Final answer
    x = 260,394.07

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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.