Home / 140,511.28-193,816.92-98,054.32

Finding the Fourth Proportional to 140,511.28, 193,816.92 and 98,054.32

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Solution

The fourth proportional to 140,511.28, 193,816.92 and 98,054.32 is: 135,253.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,511.28 : 193,816.92 = 98,054.32 : x
  2. Step 2: Convert to fraction form
    140,511.28/193,816.92 = 98,054.32/x
  3. Step 3: Cross multiply
    140,511.28x = 193,816.92 × 98,054.32
  4. Step 4: Simplify right side
    140,511.28x = 19,004,586,295.09
  5. Step 5: Solve for x
    x = 19,004,586,295.09/140,511.28
  6. Step 6: Final answer
    x = 135,253.10

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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.