Home / 330,849.77-456,448.97-194,800.55

Finding the Fourth Proportional to 330,849.77, 456,448.97 and 194,800.55

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Solution

The fourth proportional to 330,849.77, 456,448.97 and 194,800.55 is: 268,751.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,849.77 : 456,448.97 = 194,800.55 : x
  2. Step 2: Convert to fraction form
    330,849.77/456,448.97 = 194,800.55/x
  3. Step 3: Cross multiply
    330,849.77x = 456,448.97 × 194,800.55
  4. Step 4: Simplify right side
    330,849.77x = 88,916,508,607.69
  5. Step 5: Solve for x
    x = 88,916,508,607.69/330,849.77
  6. Step 6: Final answer
    x = 268,751.92

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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.