Home / 194,519.20-290,251.88-174,639.28

Finding the Fourth Proportional to 194,519.20, 290,251.88 and 174,639.28

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Solution

The fourth proportional to 194,519.20, 290,251.88 and 174,639.28 is: 260,588.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,519.20 : 290,251.88 = 174,639.28 : x
  2. Step 2: Convert to fraction form
    194,519.20/290,251.88 = 174,639.28/x
  3. Step 3: Cross multiply
    194,519.20x = 290,251.88 × 174,639.28
  4. Step 4: Simplify right side
    194,519.20x = 50,689,379,341.85
  5. Step 5: Solve for x
    x = 50,689,379,341.85/194,519.20
  6. Step 6: Final answer
    x = 260,588.05

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.