Home / 330,775.25-456,456.06-187,544.97

Finding the Fourth Proportional to 330,775.25, 456,456.06 and 187,544.97

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Solution

The fourth proportional to 330,775.25, 456,456.06 and 187,544.97 is: 258,804.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,775.25 : 456,456.06 = 187,544.97 : x
  2. Step 2: Convert to fraction form
    330,775.25/456,456.06 = 187,544.97/x
  3. Step 3: Cross multiply
    330,775.25x = 456,456.06 × 187,544.97
  4. Step 4: Simplify right side
    330,775.25x = 85,606,038,079.02
  5. Step 5: Solve for x
    x = 85,606,038,079.02/330,775.25
  6. Step 6: Final answer
    x = 258,804.25

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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.