Home / 140,533.44-193,935.16-76,872.28

Finding the Fourth Proportional to 140,533.44, 193,935.16 and 76,872.28

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Solution

The fourth proportional to 140,533.44, 193,935.16 and 76,872.28 is: 106,083.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,533.44 : 193,935.16 = 76,872.28 : x
  2. Step 2: Convert to fraction form
    140,533.44/193,935.16 = 76,872.28/x
  3. Step 3: Cross multiply
    140,533.44x = 193,935.16 × 76,872.28
  4. Step 4: Simplify right side
    140,533.44x = 14,908,237,921.36
  5. Step 5: Solve for x
    x = 14,908,237,921.36/140,533.44
  6. Step 6: Final answer
    x = 106,083.21

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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.