Home / 330,269.76-455,626.08-196,056

Finding the Fourth Proportional to 330,269.76, 455,626.08 and 196,056

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Solution

The fourth proportional to 330,269.76, 455,626.08 and 196,056 is: 270,470.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,269.76 : 455,626.08 = 196,056 : x
  2. Step 2: Convert to fraction form
    330,269.76/455,626.08 = 196,056/x
  3. Step 3: Cross multiply
    330,269.76x = 455,626.08 × 196,056
  4. Step 4: Simplify right side
    330,269.76x = 89,328,226,740.48
  5. Step 5: Solve for x
    x = 89,328,226,740.48/330,269.76
  6. Step 6: Final answer
    x = 270,470.50

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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.