Home / 331,008.68-456,825.60-195,086.40

Finding the Fourth Proportional to 331,008.68, 456,825.60 and 195,086.40

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Solution

The fourth proportional to 331,008.68, 456,825.60 and 195,086.40 is: 269,239.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,008.68 : 456,825.60 = 195,086.40 : x
  2. Step 2: Convert to fraction form
    331,008.68/456,825.60 = 195,086.40/x
  3. Step 3: Cross multiply
    331,008.68x = 456,825.60 × 195,086.40
  4. Step 4: Simplify right side
    331,008.68x = 89,120,461,731.84
  5. Step 5: Solve for x
    x = 89,120,461,731.84/331,008.68
  6. Step 6: Final answer
    x = 269,239.05

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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.