Home / 330,589.18-456,203.49-187,362.46

Finding the Fourth Proportional to 330,589.18, 456,203.49 and 187,362.46

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Solution

The fourth proportional to 330,589.18, 456,203.49 and 187,362.46 is: 258,554.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,589.18 : 456,203.49 = 187,362.46 : x
  2. Step 2: Convert to fraction form
    330,589.18/456,203.49 = 187,362.46/x
  3. Step 3: Cross multiply
    330,589.18x = 456,203.49 × 187,362.46
  4. Step 4: Simplify right side
    330,589.18x = 85,475,408,146.99
  5. Step 5: Solve for x
    x = 85,475,408,146.99/330,589.18
  6. Step 6: Final answer
    x = 258,554.77

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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.