Home / 319,966.64-479,897.43-106,736.19

Finding the Fourth Proportional to 319,966.64, 479,897.43 and 106,736.19

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Solution

The fourth proportional to 319,966.64, 479,897.43 and 106,736.19 is: 160,086.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,966.64 : 479,897.43 = 106,736.19 : x
  2. Step 2: Convert to fraction form
    319,966.64/479,897.43 = 106,736.19/x
  3. Step 3: Cross multiply
    319,966.64x = 479,897.43 × 106,736.19
  4. Step 4: Simplify right side
    319,966.64x = 51,222,424,330.82
  5. Step 5: Solve for x
    x = 51,222,424,330.82/319,966.64
  6. Step 6: Final answer
    x = 160,086.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.