Home / 330,441.05-456,007.07-187,200.75

Finding the Fourth Proportional to 330,441.05, 456,007.07 and 187,200.75

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Solution

The fourth proportional to 330,441.05, 456,007.07 and 187,200.75 is: 258,336.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,441.05 : 456,007.07 = 187,200.75 : x
  2. Step 2: Convert to fraction form
    330,441.05/456,007.07 = 187,200.75/x
  3. Step 3: Cross multiply
    330,441.05x = 456,007.07 × 187,200.75
  4. Step 4: Simplify right side
    330,441.05x = 85,364,866,283.33
  5. Step 5: Solve for x
    x = 85,364,866,283.33/330,441.05
  6. Step 6: Final answer
    x = 258,336.14

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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.