Home / 151,944.42-209,672.46-83,960.64

Finding the Fourth Proportional to 151,944.42, 209,672.46 and 83,960.64

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Solution

The fourth proportional to 151,944.42, 209,672.46 and 83,960.64 is: 115,859.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,944.42 : 209,672.46 = 83,960.64 : x
  2. Step 2: Convert to fraction form
    151,944.42/209,672.46 = 83,960.64/x
  3. Step 3: Cross multiply
    151,944.42x = 209,672.46 × 83,960.64
  4. Step 4: Simplify right side
    151,944.42x = 17,604,233,931.97
  5. Step 5: Solve for x
    x = 17,604,233,931.97/151,944.42
  6. Step 6: Final answer
    x = 115,859.69

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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.