Home / 268,143.42-369,947.88-151,841.04

Finding the Fourth Proportional to 268,143.42, 369,947.88 and 151,841.04

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Solution

The fourth proportional to 268,143.42, 369,947.88 and 151,841.04 is: 209,489.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,143.42 : 369,947.88 = 151,841.04 : x
  2. Step 2: Convert to fraction form
    268,143.42/369,947.88 = 151,841.04/x
  3. Step 3: Cross multiply
    268,143.42x = 369,947.88 × 151,841.04
  4. Step 4: Simplify right side
    268,143.42x = 56,173,270,845.00
  5. Step 5: Solve for x
    x = 56,173,270,845.00/268,143.42
  6. Step 6: Final answer
    x = 209,489.65

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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.