Home / 194,572.08-268,489.80-143,612.64

Finding the Fourth Proportional to 194,572.08, 268,489.80 and 143,612.64

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Solution

The fourth proportional to 194,572.08, 268,489.80 and 143,612.64 is: 198,170.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,572.08 : 268,489.80 = 143,612.64 : x
  2. Step 2: Convert to fraction form
    194,572.08/268,489.80 = 143,612.64/x
  3. Step 3: Cross multiply
    194,572.08x = 268,489.80 × 143,612.64
  4. Step 4: Simplify right side
    194,572.08x = 38,558,528,991.07
  5. Step 5: Solve for x
    x = 38,558,528,991.07/194,572.08
  6. Step 6: Final answer
    x = 198,170.92

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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.