Home / 198,643.05-297,964.58-183,479.85

Finding the Fourth Proportional to 198,643.05, 297,964.58 and 183,479.85

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Solution

The fourth proportional to 198,643.05, 297,964.58 and 183,479.85 is: 275,219.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,643.05 : 297,964.58 = 183,479.85 : x
  2. Step 2: Convert to fraction form
    198,643.05/297,964.58 = 183,479.85/x
  3. Step 3: Cross multiply
    198,643.05x = 297,964.58 × 183,479.85
  4. Step 4: Simplify right side
    198,643.05x = 54,670,495,526.31
  5. Step 5: Solve for x
    x = 54,670,495,526.31/198,643.05
  6. Step 6: Final answer
    x = 275,219.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.