Home / 328,966.89-453,784.82-198,053.41

Finding the Fourth Proportional to 328,966.89, 453,784.82 and 198,053.41

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Solution

The fourth proportional to 328,966.89, 453,784.82 and 198,053.41 is: 273,199.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,966.89 : 453,784.82 = 198,053.41 : x
  2. Step 2: Convert to fraction form
    328,966.89/453,784.82 = 198,053.41/x
  3. Step 3: Cross multiply
    328,966.89x = 453,784.82 × 198,053.41
  4. Step 4: Simplify right side
    328,966.89x = 89,873,628,882.51
  5. Step 5: Solve for x
    x = 89,873,628,882.51/328,966.89
  6. Step 6: Final answer
    x = 273,199.62

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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.