Home / 319,557.01-441,148.46-198,737.22

Finding the Fourth Proportional to 319,557.01, 441,148.46 and 198,737.22

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Solution

The fourth proportional to 319,557.01, 441,148.46 and 198,737.22 is: 274,356.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,557.01 : 441,148.46 = 198,737.22 : x
  2. Step 2: Convert to fraction form
    319,557.01/441,148.46 = 198,737.22/x
  3. Step 3: Cross multiply
    319,557.01x = 441,148.46 × 198,737.22
  4. Step 4: Simplify right side
    319,557.01x = 87,672,620,326.20
  5. Step 5: Solve for x
    x = 87,672,620,326.20/319,557.01
  6. Step 6: Final answer
    x = 274,356.74

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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.