Home / 106,146.64-146,481.28-58,400.02

Finding the Fourth Proportional to 106,146.64, 146,481.28 and 58,400.02

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Solution

The fourth proportional to 106,146.64, 146,481.28 and 58,400.02 is: 80,591.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,146.64 : 146,481.28 = 58,400.02 : x
  2. Step 2: Convert to fraction form
    106,146.64/146,481.28 = 58,400.02/x
  3. Step 3: Cross multiply
    106,146.64x = 146,481.28 × 58,400.02
  4. Step 4: Simplify right side
    106,146.64x = 8,554,509,681.63
  5. Step 5: Solve for x
    x = 8,554,509,681.63/106,146.64
  6. Step 6: Final answer
    x = 80,591.43

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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.