Home / 319,920.96-441,517.02-183,998.90

Finding the Fourth Proportional to 319,920.96, 441,517.02 and 183,998.90

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Solution

The fourth proportional to 319,920.96, 441,517.02 and 183,998.90 is: 253,933.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,920.96 : 441,517.02 = 183,998.90 : x
  2. Step 2: Convert to fraction form
    319,920.96/441,517.02 = 183,998.90/x
  3. Step 3: Cross multiply
    319,920.96x = 441,517.02 × 183,998.90
  4. Step 4: Simplify right side
    319,920.96x = 81,238,646,011.28
  5. Step 5: Solve for x
    x = 81,238,646,011.28/319,920.96
  6. Step 6: Final answer
    x = 253,933.49

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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.