Home / 330,442.56-456,009.14-187,202.25

Finding the Fourth Proportional to 330,442.56, 456,009.14 and 187,202.25

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Solution

The fourth proportional to 330,442.56, 456,009.14 and 187,202.25 is: 258,338.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,442.56 : 456,009.14 = 187,202.25 : x
  2. Step 2: Convert to fraction form
    330,442.56/456,009.14 = 187,202.25/x
  3. Step 3: Cross multiply
    330,442.56x = 456,009.14 × 187,202.25
  4. Step 4: Simplify right side
    330,442.56x = 85,365,936,092.55
  5. Step 5: Solve for x
    x = 85,365,936,092.55/330,442.56
  6. Step 6: Final answer
    x = 258,338.20

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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.